AI-generatedChartres at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 24°
- Sunshine a year
- 1,780 h
- Rain a year
- 649 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 158 m
Climate in Chartres
Chartres has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 24 °C, while January is the coolest at 7 °C. With around 1,780 hours of sunshine a year, Chartres is moderately sunny; June is the sunniest month with 7.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 10°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 13°
- Night, 23:00: about 12°
08:1219:07
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:53–08:55 · evening 18:24–19:27
- Blue hour
- Morning 07:40–07:53 · evening 19:27–19:39
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Chartres in October?
In October, Chartres is mild: daytime highs average 16 °C, and nights cool down to about 9 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 68 mm in total. All in all, October is a so-so month for a holiday in Chartres.
More details for October
- Daylight
- 10 h 55 min08:12 – 19:07
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %81 %
- Sunshineweight 20 %13 %
- Few rainy daysweight 30 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Sunshine hours in Chartres
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.8 of 10.9 hours of daylight in Chartres, 35 % of the day.
Sunshine hours: measured at the weather station 2 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Chartres
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 55 min
- Fair skin
- about 70 min
- Light brown skin
- about 95 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Chartres: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Chartres has about 11 rainy days with 68 mm of rain in total.
Wind and clouds in Chartres
How breezy and how cloudy Chartres is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Chartres typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Chartres: mostly cloudy, with about 3.8 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Chartres
How often the day gets hot in Chartres (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Chartres has about 0 hot days, with an average daytime high of 16 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Chartres
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.
The coolest nights are in January (2°), the warmest in August (14°). Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 16 | 7° | 2° | 2.0 h | 11 | 52 |
| FebruaryFeb | 18 | 8° | 2° | 3.1 h | 10 | 45 |
| MarchMar | 36 | 11° | 3° | 4.5 h | 11 | 51 |
| AprilApr | 59 | 14° | 5° | 6.1 h | 10 | 48 |
| MayMay | 75 | 18° | 9° | 6.7 h | 11 | 65 |
| JuneJun | 82 | 22° | 12° | 7.4 h | 10 | 54 |
| JulyJul | 85 | 24° | 14° | 7.4 h | 9 | 51 |
| AugustAug | 84 | 24° | 14° | 7.1 h | 9 | 51 |
| SeptemberSep | 82 | 21° | 12° | 6.0 h | 8 | 44 |
| OctoberOct | 58 | 16° | 9° | 3.8 h | 11 | 68 |
| NovemberNov | 26 | 11° | 5° | 2.4 h | 12 | 58 |
| DecemberDec | 13 | 7° | 2° | 1.9 h | 12 | 63 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
48.45° N, 1.49° E · 158 m · Europe/Paris
Best time to visit Chartres
The best time to visit Chartres is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to October. The wettest month is October with 68 mm of precipitation.
Chartres through the seasons
How the weather changes over the seasons, with averages for each.
Chartres in spring
Mar – May
Fair
- 11–18 °C by day
- 6 h of sun a day
- 33 rainy days in all
Chartres in summer
Jun – Aug
Excellent
- 22–24 °C by day
- 7 h of sun a day
- 27 rainy days in all
Chartres in autumn
Sep – Nov
Fair
- 11–21 °C by day
- 4 h of sun a day
- 31 rainy days in all
Chartres in winter
Dec – Feb
Poor
- 7–8 °C by day
- 2 h of sun a day
- 33 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Chartres for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Chartres
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Chartres: score 85 against 58. In July, days are 8 °C warmer than in October. July has 2 fewer rainy days. The sun shines 4 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 58 | 85better |
| Day high | 16° | 24° |
| Night low | 9° | 14° |
| Sunshine | 3.8 h | 7.4 hbetter |
| Rainy days | 11 | 9better |
| Rainfall | 68 mm | 51 mmbetter |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Oct
15–28 °C and not too much rain
Chartres month by month
The typical weather for every month at a glance.
16January7° · 2 h
In January, Chartres is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 11 rainy days and 52 mm in total. All in all, January is not an ideal month for a holiday in Chartres.
Chartres in January18February8° · 3 h
In February, Chartres is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 45 mm in total. All in all, February is not an ideal month for a holiday in Chartres.
Chartres in February36March11° · 5 h
In March, Chartres is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 51 mm in total. All in all, March is not an ideal month for a holiday in Chartres.
Chartres in March59April14° · 6 h
In April, Chartres is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 48 mm in total. All in all, April is a so-so month for a holiday in Chartres.
Chartres in April75May18° · 7 h
In May, Chartres is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 65 mm in total. All in all, May is a good month for a holiday in Chartres.
Chartres in May82June22° · 7 h
In June, Chartres is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 54 mm in total. All in all, June is an excellent month for a holiday in Chartres.
Chartres in June85July24° · 7 h
In July, Chartres is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 51 mm. All in all, July is an excellent month for a holiday in Chartres.
Chartres in July84August24° · 7 h
In August, Chartres is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 51 mm. All in all, August is an excellent month for a holiday in Chartres.
Chartres in August82September21° · 6 h
In September, Chartres is mild: daytime highs average 21 °C, and nights cool down to about 12 °C. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 44 mm. All in all, September is an excellent month for a holiday in Chartres.
Chartres in September58October16° · 4 h
In October, Chartres is mild: daytime highs average 16 °C, and nights cool down to about 9 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 68 mm in total. All in all, October is a so-so month for a holiday in Chartres.
Chartres in October26November11° · 2 h
In November, Chartres is cool: daytime highs average 11 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 58 mm in total. All in all, November is not an ideal month for a holiday in Chartres.
Chartres in November13December7° · 2 h
In December, Chartres is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 63 mm in total. All in all, December is not an ideal month for a holiday in Chartres.
Chartres in DecemberChartres compared
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Chartres vs. Versailles
In October the holiday weather in Chartres and Versailles is about equally good (score 58 vs. 55). During the day it is about as warm in Versailles as in Chartres.
| in October | Chartres | Versailles |
|---|---|---|
| Holiday score | 58 | 55 |
| Daytime high | 16° | 16° |
| Sunshine | 4 h | 4 h |
| Rainy days | 11 | 11 |
| Best time | May – Sep | May – Sep |
Through the year
France in October: the best places
In October, Chartres ranks 14 among the 31 nearest destinations in this country.
- Poitiers18°66
- 2Oradour-sur-Glane17°66
- 3Fontainebleau17°65
- 4Tours18°65
- 5Angers17°65
- 6Nantes17°63
- 7Orléans17°62
- 8Auxerre17°61
- 14ChartresThis page16°58
Planning a trip to Chartres
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Chartres in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Chartres has its best school-holiday weather during the summer holidays (score 84) and its weakest during the Christmas holidays (score 15).
- 52
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- 5.6 h of sun a day
- 11 rainy days a month
- 76
May half-term
May – Jun
Good
- 19 °C by day
- 6.8 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 84
Summer holidays
Jul – Aug
ExcellentBest holidays
- 24 °C by day
- 7.2 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 58
October half-term
Oct
Fair
- 16 °C by day
- 3.8 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 15
Christmas holidays
Dec – Jan
Poor
- 7 °C by day
- 2.0 h of sun a day
- 11 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- Short trip – train or car is often quicker
- Distance
- 360 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Chartres
When is the best time to visit Chartres?
The best time to visit Chartres is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Chartres?
August is the warmest month, with average highs of 24 °C and nights around 14 °C. January is the coolest month at 7 °C.
When does it rain most in Chartres?
The wettest month is October with 68 mm of precipitation. The driest month is September with 44 mm.
How many hours of sunshine does Chartres get?
Chartres gets around 1,780 hours of sunshine a year. The sunniest month is June with 7.4 hours a day; in December there are 1.9 hours a day.
What time zone is Chartres in?
Chartres uses the time zone Europe/Paris: UTC+1 in January and UTC+2 in July.
Which school holidays are best for Chartres?
Chartres has its best school-holiday weather during the summer holidays (score 84) and its weakest during the Christmas holidays (score 15). Holiday ratings (0–100): Easter holidays 52, May half-term 76, Summer holidays 84, October half-term 58, Christmas holidays 15.
Near Chartres
Other destinations close by.
Places with a climate like Chartres
Destinations whose weather through the year is closest to Chartres's – good alternatives.