Climate Insights for Chilly

Haute-Savoie, Auvergne-Rhône-Alpes, France

Hottest
July
26°C peak
Coldest
January
-1°C low
Wettest
December
190mm rain
Best to Visit
August
Mild temps & low rain

Climate Overview

The climate in Chilly is temperate. The average annual temperature is 11°C and approximately 1665mm of precipitation falls per year. Chilly receives a notable amount of rainfall throughout the year, including during its driest month. Chilly is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -1°C. Snowfall occurs from January to December, with around 111cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 5° Average: 2° Min: -1° Feb Max: 9° Average: 4° Min: 0° Mar Max: 12° Average: 7° Min: 2° Apr Max: 15° Average: 10° Min: 5° May Max: 18° Average: 14° Min: 9° Jun Max: 24° Average: 18° Min: 13° Jul Max: 26° Average: 21° Min: 15° Aug Max: 26° Average: 20° Min: 15° Sep Max: 21° Average: 16° Min: 11° Oct Max: 16° Average: 11° Min: 7° Nov Max: 9° Average: 6° Min: 3° Dec Max: 6° Average: 3° Min: 0°
Max
Average
Min

Temperatures in Chilly vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 21°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 2°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 163mm Snow: 35mm Feb Precipitation: 110mm Snow: 17mm Mar Precipitation: 136mm Snow: 14mm Apr Precipitation: 110mm Snow: 3mm May Precipitation: 178mm Snow: 1mm Jun Precipitation: 151mm Snow: 0mm Jul Precipitation: 106mm Snow: 0mm Aug Precipitation: 99mm Snow: 0mm Sep Precipitation: 131mm Snow: 0mm Oct Precipitation: 137mm Snow: 2mm Nov Precipitation: 155mm Snow: 12mm Dec Precipitation: 190mm Snow: 26mm
Precipitation
Snow

Chilly is a fairly wet location, receiving approximately 1665mm of precipitation annually, which averages out to around 139mm per month. The wettest month is December, averaging 190mm of rainfall. May and January also tend to see above-average precipitation. The driest month is August, with just 99mm. That's 90mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 111cm accumulating over the season. January typically sees the most snow at around 35cm.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 10km/h Feb Wind Speed: 11km/h Mar Wind Speed: 11km/h Apr Wind Speed: 12km/h May Wind Speed: 11km/h Jun Wind Speed: 10km/h Jul Wind Speed: 11km/h Aug Wind Speed: 10km/h Sep Wind Speed: 10km/h Oct Wind Speed: 10km/h Nov Wind Speed: 9km/h Dec Wind Speed: 9km/h
Wind Speed

Chilly is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Summer

It is currently spring in Chilly, which began on March 20, 2026. Chilly is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 26°C, while the coldest stretch bottoms out in January near -1°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

Spring

Temperatures range from 2 to 18°C. Rainfall is heavy, totalling around 424mm across the season with a monthly average of 141mm. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 13 to 26°C. Rainfall is heavy, totalling around 356mm across the season with a monthly average of 119mm. Winds are generally light, averaging 10km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 3 to 21°C. Rainfall is heavy, totalling around 423mm across the season with a monthly average of 141mm. Expect around 14cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -1 to 9°C. Rainfall is heavy, totalling around 463mm across the season with a monthly average of 154mm. Expect around 78cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan
Feb
Mar
Apr 10°
May 14°
Jun 18°
Jul 21°
Aug 20°
Sep 16°
Oct 11°
Nov
Dec

The best time to visit Chilly is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 99mm per month. By contrast, July can be uncomfortably hot with highs reaching 26°C, while January is the coldest period with lows dropping to -1°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Chilly based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-1 °C
5 °C
10 km/h
163 mm
35 cm
Feb
0 °C
9 °C
11 km/h
110 mm
17 cm
Mar Current
2 °C
12 °C
11 km/h
136 mm
14 cm
Apr
5 °C
15 °C
12 km/h
110 mm
3 cm
May
9 °C
18 °C
11 km/h
178 mm
1 cm
Jun
13 °C
24 °C
10 km/h
151 mm
0 cm
Jul
15 °C
26 °C
11 km/h
106 mm
0 cm
Aug
15 °C
26 °C
10 km/h
99 mm
0 cm
Sep
11 °C
21 °C
10 km/h
131 mm
0 cm
Oct
7 °C
16 °C
10 km/h
137 mm
2 cm
Nov
3 °C
9 °C
9 km/h
155 mm
12 cm
Dec
0 °C
6 °C
9 km/h
190 mm
26 cm
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Metric (°C, km/h)