Weather in Wellington 🇳🇿
Monthly weather averages & travel planning
May
Avg Temp
14°C
Rain Days
10 days
Sun Hours
8 hrs
Humidity
65%
Oceania › 🇳🇿 New Zealand › Wellington
Updated: March 2026
Is May a Good Time to Visit Wellington?
4/10
Fair
May is a fair time to visit Wellington (4/10). With 8 daily sunshine hours and only 10 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 9th sunniest of the year in Wellington. May suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 10 potential rain days. June offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Wellington's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: most accommodation categories have availability, and last-minute deals are common. The quieter streets and shorter queues can make this a genuinely enjoyable time to visit for the right type of traveller. Budget-conscious visitors will find the best value of the year in this period.
vs April:16°C avg high
Based on 30-year climate normals (1991 to 2020), May in Wellington averages 14°C by day and 11°C overnight, a range that places it in the temperate middle ground of the year. The month records approximately 8 sunshine hours per day and 71mm of total rainfall across 10 wet days, giving it a sunshine-to-rain ratio that is broadly workable for most itineraries.
14°C
57°F
Avg High
11°C
52°F
Avg Low
10 days
71 mm total
Rain Days
8h
per day avg
Sunshine
65%
Moderate
Humidity
Temperature in Wellington in May
The narrow 3°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. Humidity averages 65%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. The UV index of 1 is low, meaning sun exposure is minimal concern and sunscreen is largely optional. Average wind speeds of 29 km/h add a meaningful windchill factor, making the 14°C temperature feel cooler than it reads. In Fahrenheit: 57°F average high, 52°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature Trends
High
Low
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
What to Wear in Wellington in May
Morning11°CBefore the day warms up
Afternoon14°CPeak daytime temperature
Evening14°CAfter sunset cools down
Packing for Wellington in May means dressing for 14°C days and 11°C evenings. A mid-weight jacket over a sweater handles 14°C daytime temperatures; the combination stays comfortable all day without overheating. Evening temperatures settle at 11°C, a modest 3°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues. A compact foldable umbrella weighs almost nothing and earns its keep across 10 potential rainy days.
Local tip: Layers are more practical than a single heavy garment in Wellington. The day-to-evening temperature shift rewards packing a versatile mid-layer you can add or remove as conditions change.
Events in Wellington in May
May has no major festivals or public holidays in Wellington, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
What to Pack for Wellington in May
Based on 14°C average highs and 10 rainy days
- Warm jacket (down or fleece)
- Merino wool base layer (regulates temperature and resists odour)
- Sweaters and lined trousers
- Scarf and lightweight gloves
- Compact folding umbrella
- Waterproof outer layer or packable rain jacket
- Quick-dry clothing that recovers fast after a shower
- Comfortable walking shoes (a second pair lets the first air out overnight)
- Universal travel adapter
- Small day pack for city exploration
- Reusable water bottle
Best Activities in Wellington in May
- Explore the old town's cobblestone backstreetsMorning (9-11am)At 14°C, conditions are pleasant for unhurried exploration on foot
- Visit hilltop viewpoints for panoramic city viewsLate afternoon (4-6pm)Low sun angle creates dramatic light for photography while temperatures remain comfortable
- Bicycle rental for a half-day city circuitMid-morning startMild 14°C temperatures are ideal for extended cycling without excessive effort
- Boat tour of the river, bay, or canal networkLate morning departureComfortable weather makes open-deck boats viable without wind-chill concerns
- Afternoon in a world-class museum or galleryAfternoon (2-5pm)Pairs well with outdoor morning activities and provides a mid-day rest from sightseeing
- Coffee-house or traditional cafe culture experienceMid-morning or post-lunchA cultural ritual in this region that rewards slow appreciation regardless of weather
- Evening live music, theatre, or opera performanceEvening shows typically at 7-9pmConsistent evening temperatures make getting to and from evening venues comfortable
- Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningMay brings distinct seasonal changes to public green spaces worth exploring
- Warm up with traditional hot dishes: local stew, fondue, or braised specialities at a neighbourhood restaurantLunch (12-2pm) or dinner (7-9pm)Cold-weather cuisine is a genuine cultural experience and the best local restaurants serve their heartiest dishes in cooler months
Why is Wellington cool in May?
In May, Wellington feels the full influence of the continental polar air mass, which dominates mid-latitude interiors during winter. Cold, dry air from the north suppresses temperatures to 14°C during the day, dropping further to 11°C at night when radiative cooling is greatest. Precipitation tends to be low, as the cold air holds little moisture. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Frequently Asked Questions
Wellington in May
In May, Wellington experiences average highs of 14°C (57°F) and lows of 11°C (52°F). Expect around 10 rainy days and 8 hours of sunshine per day, with humidity averaging 65%. The 3°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV exposure is moderate at index 1.
Wellington typically sees 10 rainy days in May, with total precipitation of around 71mm. Rain is moderate and manageable. Showers tend to pass quickly, and a light rain layer or foldable umbrella is sufficient protection for most days. For context, the driest month in Wellington typically sees 4-6 fewer rain days than May.
Pack a warm jacket, sweaters, and layering pieces for Wellington in May. Temperatures can drop to 11°C at night, so thermal underlayers are advisable for evening outings. Waterproof footwear is important with 10 rainy days expected. A scarf, hat, and gloves handle the windchill on clear cold days, which often feel colder than the thermometer reads.
Yes, May is an excellent time to visit Wellington. With 8 daily sunshine hours and only 10 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 14°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.
The average high temperature in Wellington in May is 14°C (57°F), and the average low is 11°C (52°F). The mean daily temperature is approximately 13°C (55°F). The day-to-night range of 3°C is narrow, typical of coastal or maritime cities. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Wellington is generally January. January offers the most sunshine at 12 hours per day and only 8 rainy days. Average temperatures reach 18°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.
May is shoulder or low season in Wellington, meaning fewer tourists and generally lower prices than peak months. With 8 sunshine hours and 10 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In May, Wellington suits a range of activities thanks to cool conditions around 14°C. Mix of indoor and outdoor activities works well given the moderate chance of rain. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 8 hours of sunshine, parks and waterfront walks are particularly enjoyable.
May ranks 9th sunniest of the year in Wellington, with an average 8 daily sunshine hours. The driest months are February, January, and March. February is the hottest month (19°C avg high); July is the coolest (11°C). From here, temperatures fall 2°C into June. Compared to last month (April: 16°C high, 10 rain days), May is cooler and equally dry. May sits in the middle of the annual sunshine ranking for Wellington, offering a reasonable balance of good weather and manageable crowds.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 18°C | 15°C | 8 | 12h | View |
| February | 19°C | 15°C | 7 | 11h | View |
| March | 18°C | 14°C | 8 | 10h | View |
| April | 16°C | 13°C | 10 | 9h | View |
| May | 14°C | 11°C | 10 | 8h | View |
| June | 12°C | 10°C | 12 | 7h | View |
| July | 11°C | 9°C | 12 | 7h | View |
| August | 12°C | 9°C | 13 | 8h | View |
| September | 13°C | 10°C | 12 | 9h | View |
| October | 14°C | 11°C | 12 | 10h | View |
| November | 15°C | 12°C | 10 | 12h | View |
| December | 17°C | 14°C | 11 | 12h | View |
January
8 rain days, 12h sun
18°15°
February
7 rain days, 11h sun
19°15°
March
8 rain days, 10h sun
18°14°
April
10 rain days, 9h sun
16°13°
May
10 rain days, 8h sun
14°11°
June
12 rain days, 7h sun
12°10°
July
12 rain days, 7h sun
11°9°
August
13 rain days, 8h sun
12°9°
September
12 rain days, 9h sun
13°10°
October
12 rain days, 10h sun
14°11°
November
10 rain days, 12h sun
15°12°
December
11 rain days, 12h sun
17°14°
Other Months in Wellington
Plan Your Trip to Wellington
Nearby Destinations
Cities within 500 km with comparable weather conditions
Data Sources for Wellington
Climate normals represent 30-year averages (1991-2020). Individual years may vary.