Monthly weather averages & travel planning

Europe › 🇫🇷 France › Paris
Updated: March 2026
August is a good time to visit Paris (6/10). With 11 daily sunshine hours and only 9 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 3rd sunniest of the year in Paris. Culture-focused travellers and those who prefer lighter crowds will find August a practical choice, with prices running lower than peak June without sacrificing all the good weather. September offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Paris'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.
Visiting Paris in August means warm daytime temperatures peaking at 24°C. Factor in 9 potential rainy days and 65% average humidity when planning your daily activities.
24°C
75°F
Avg High
15°C
59°F
Avg Low
9 days
57 mm total
Rain Days
11h
per day avg
Sunshine
65%
Moderate
Humidity
The 9°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 16 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 75°F average high, 59°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Packing for Paris in August means dressing for 24°C days and 15°C evenings. A light cotton tee with a casual overshirt works well at 24°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 15°C, a modest 9°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. A compact foldable umbrella weighs almost nothing and earns its keep across 9 potential rainy days.
Local tip: Many of Paris's museums and galleries maintain cool interior temperatures regardless of outdoor conditions. A compact layer in your daypack lets you move between warm streets and chilled exhibition halls without discomfort.
August has no major festivals or public holidays in Paris, 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 24°C average highs and 9 rainy days
August in Paris reflects a mid-latitude climate pattern, with temperatures averaging 24°C by day and 15°C overnight. The city sits at 49 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 9°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.
Paris in August
August ranks 3rd sunniest of the year in Paris, with an average 11 daily sunshine hours. The driest months are September, August, and February. July is the hottest month (24°C avg high); January is the coolest (7°C). From here, temperatures fall 3°C into September. Compared to last month (July: 24°C high, 10 rain days), August is similarly warm and drier. August is among the top three sunniest months to visit Paris.
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 7°C | 2°C | 12 | 4h | View |
| February | 8°C | 1°C | 10 | 6h | View |
| March | 12°C | 3°C | 11 | 7h | View |
| April | 15°C | 6°C | 11 | 10h | View |
| May | 19°C | 9°C | 11 | 10h | View |
| June | 22°C | 13°C | 10 | 11h | View |
| July | 24°C | 15°C | 10 | 11h | View |
| August | 24°C | 15°C | 9 | 11h | View |
| September | 21°C | 12°C | 8 | 9h | View |
| October | 16°C | 9°C | 11 | 6h | View |
| November | 11°C | 5°C | 11 | 5h | View |
| December | 7°C | 2°C | 12 | 4h | View |
January
12 rain days, 4h sun
February
10 rain days, 6h sun
March
11 rain days, 7h sun
April
11 rain days, 10h sun
May
11 rain days, 10h sun
June
10 rain days, 11h sun
July
10 rain days, 11h sun
August
9 rain days, 11h sun
September
8 rain days, 9h sun
October
11 rain days, 6h sun
November
11 rain days, 5h sun
December
12 rain days, 4h sun
Cities within 500 km with comparable weather conditions
Data Sources for Paris
Climate normals represent 30-year averages (1991-2020). Individual years may vary.