Monthly weather averages & travel planning

Europe › 🇩🇪 Germany › Hamburg
Updated: March 2026
August is a good time to visit Hamburg (6/10). With 11 daily sunshine hours and only 13 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 4th sunniest of the year in Hamburg. Culture-focused travellers and those who prefer lighter crowds will find August a practical choice, with prices running lower than peak May without sacrificing all the good weather. September offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Hamburg'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: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.
Hamburg in August rewards travelers with average highs of 22°C and overnight lows around 14°C. Expect around 13 rainy days, so a compact umbrella is worth carrying. With 11 daily sunshine hours on average, conditions are comfortable for sightseeing at a relaxed pace.
22°C
72°F
Avg High
14°C
57°F
Avg Low
13 days
77 mm total
Rain Days
11h
per day avg
Sunshine
65%
Moderate
Humidity
The 8°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. Humidity averages 65%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. UV index averages 10 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Wind averages 17 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 72°F average high, 57°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Packing for Hamburg in August means dressing for 22°C days and 14°C evenings. A light cotton tee with a casual overshirt works well at 22°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 14°C, a modest 8°C drop that a light cardigan or denim jacket covers. European cobblestones reward low-profile walking shoes over flip-flops or heels, with cushioned trainers or leather walking shoes being the practical choice. With 13 rain days expected, a compact travel umbrella is worth the bag space. A waterproof jacket is better than an umbrella if you plan full-day outdoor routes.
Local tip: Hamburg's cobbled streets turn slippery in the rain. Waterproof walking shoes with a non-slip sole outperform fashionable footwear on wet stone, and you'll cover significantly more ground in comfort.
August has no major festivals or public holidays in Hamburg, 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.
Based on 22°C average highs and 13 rainy days
August in Hamburg reflects a mid-latitude climate pattern, with temperatures averaging 22°C by day and 14°C overnight. The city sits at 54 degrees north latitude, where the balance between solar radiation and heat loss drives conditions that are neither extreme nor static. Conditions occupy the comfortable middle band of the annual temperature range, where outdoor activity is feasible without the extremes of midsummer heat or midwinter cold. Day-to-night temperature variation of 8°C is moderate and manageable with a single mid-layer. 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.
Hamburg in August
August ranks 4th sunniest of the year in Hamburg, with an average 11 daily sunshine hours. The driest months are September, February, and March. July is the hottest month (22°C avg high); January is the coolest (4°C). From here, temperatures fall 4°C into September. Compared to last month (July: 22°C high, 14 rain days), August is similarly warm and drier. August sits in the middle of the annual sunshine ranking for Hamburg, offering a reasonable balance of good weather and manageable crowds.
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 4°C | 0°C | 13 | 3h | View |
| February | 5°C | 0°C | 11 | 5h | View |
| March | 8°C | 1°C | 11 | 7h | View |
| April | 13°C | 4°C | 11 | 10h | View |
| May | 17°C | 8°C | 11 | 11h | View |
| June | 20°C | 12°C | 12 | 11h | View |
| July | 22°C | 14°C | 14 | 11h | View |
| August | 22°C | 14°C | 13 | 11h | View |
| September | 18°C | 11°C | 10 | 8h | View |
| October | 13°C | 7°C | 12 | 6h | View |
| November | 8°C | 3°C | 12 | 3h | View |
| December | 5°C | 1°C | 13 | 3h | View |
January
13 rain days, 3h sun
February
11 rain days, 5h sun
March
11 rain days, 7h sun
April
11 rain days, 10h sun
May
11 rain days, 11h sun
June
12 rain days, 11h sun
July
14 rain days, 11h sun
August
13 rain days, 11h sun
September
10 rain days, 8h sun
October
12 rain days, 6h sun
November
12 rain days, 3h sun
December
13 rain days, 3h sun
Cities within 500 km with comparable weather conditions
Data Sources for Hamburg
Climate normals represent 30-year averages (1991-2020). Individual years may vary.