Climate Insights for Acquarossa

Blenio District, Cantone Ticino, Switzerland

Hottest
July
18°C peak
Coldest
January
-11°C low
Wettest
August
222mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Acquarossa is cool. The average annual temperature is 3°C and approximately 1758mm of precipitation falls per year. Acquarossa receives a notable amount of rainfall throughout the year, including during its driest month. Acquarossa 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 -11°C. Acquarossa experiences heavy snowfall, typically from January through December.

Temperature

-20° -10° 10° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -4° Average: -7° Min: -11° Feb Max: -1° Average: -5° Min: -9° Mar Max: 2° Average: -2° Min: -6° Apr Max: 5° Average: 1° Min: -3° May Max: 9° Average: 5° Min: 1° Jun Max: 16° Average: 11° Min: 6° Jul Max: 18° Average: 13° Min: 8° Aug Max: 17° Average: 12° Min: 8° Sep Max: 13° Average: 8° Min: 4° Oct Max: 8° Average: 4° Min: 0° Nov Max: 1° Average: -2° Min: -6° Dec Max: -3° Average: -6° Min: -10°
Max
Average
Min

Temperatures in Acquarossa vary considerably across the year, with a 29°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 18°C with a mean of 13°C. The coldest month is January, when overnight lows fall to -11°C and the daily average is -7°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 88mm Snow: 63mm Feb Precipitation: 77mm Snow: 55mm Mar Precipitation: 107mm Snow: 73mm Apr Precipitation: 132mm Snow: 69mm May Precipitation: 159mm Snow: 34mm Jun Precipitation: 208mm Snow: 4mm Jul Precipitation: 185mm Snow: 0mm Aug Precipitation: 222mm Snow: 1mm Sep Precipitation: 162mm Snow: 11mm Oct Precipitation: 195mm Snow: 30mm Nov Precipitation: 123mm Snow: 73mm Dec Precipitation: 99mm Snow: 70mm
Precipitation
Snow

Acquarossa is a fairly wet location, receiving approximately 1758mm of precipitation annually, which averages out to around 147mm per month. The wettest month is August, averaging 222mm of rainfall. June and October also tend to see above-average precipitation. The driest month is February, with just 77mm. That's 145mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Acquarossa receives heavy snowfall, accumulating around 483cm annually from January through December. The snowiest month is March, with approximately 73cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 9km/h May Wind Speed: 9km/h Jun Wind Speed: 9km/h Jul Wind Speed: 8km/h Aug Wind Speed: 8km/h Sep Wind Speed: 8km/h Oct Wind Speed: 8km/h Nov Wind Speed: 8km/h Dec Wind Speed: 9km/h
Wind Speed

Acquarossa is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

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

89 days until Summer

It is currently spring in Acquarossa, which began on March 20, 2026. Acquarossa 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 18°C, while the coldest stretch bottoms out in January near -11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from -6 to 9°C. Rainfall is heavy, totalling around 398mm across the season with a monthly average of 133mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 6 to 18°C. Rainfall is heavy, totalling around 615mm across the season with a monthly average of 205mm. Winds are generally light, averaging 8km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -6 to 13°C. Rainfall is heavy, totalling around 480mm across the season with a monthly average of 160mm. Expect around 114cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -11 to -1°C. Precipitation is moderate at around 265mm for the season, averaging 88mm per month. Expect around 188cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Monthly Climate Data

The table below shows monthly climate averages for Acquarossa 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
-11 °C
-4 °C
9 km/h
88 mm
63 cm
Feb
-9 °C
-1 °C
9 km/h
77 mm
55 cm
Mar Current
-6 °C
2 °C
9 km/h
107 mm
73 cm
Apr
-3 °C
5 °C
9 km/h
132 mm
69 cm
May
1 °C
9 °C
9 km/h
159 mm
34 cm
Jun
6 °C
16 °C
9 km/h
208 mm
4 cm
Jul
8 °C
18 °C
8 km/h
185 mm
0 cm
Aug
8 °C
17 °C
8 km/h
222 mm
1 cm
Sep
4 °C
13 °C
8 km/h
162 mm
11 cm
Oct
0 °C
8 °C
8 km/h
195 mm
30 cm
Nov
-6 °C
1 °C
8 km/h
123 mm
73 cm
Dec
-10 °C
-3 °C
9 km/h
99 mm
70 cm
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Metric (°C, km/h)