Climate and monthly weather forecastRossa, Switzerland

Climate and monthly weather forecast

Weather in January

January, like December, in Rossa, Switzerland, is an icy winter month, with an average temperature varying between 1.6°C (34.9°F) and -5°C (23°F). January stands out as Rossa's coldest month, with temperatures ranging between an average high of 1.6°C (34.9°F) and a low of -5°C (23°F). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Rossa, Switzerland, with an average temperature varying between -5.1°C (22.8°F) and 2.5°C (36.5°F). Rossa experiences an average high-temperature of a still cold 2.5°C (36.5°F) in February, marking an insignificant shift from 1.6°C (34.9°F) in January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Rossa, Switzerland, with an average temperature varying between -1.6°C (29.1°F) and 6.4°C (43.5°F). A soft shift in the average high-temperature is noticeable in March, transitioning from an icy 2.5°C (36.5°F) in February to a chilly 6.4°C (43.5°F). Weather in March »

Weather in April

April in Rossa, Switzerland, is a cool spring month, with an average temperature varying between 1.9°C (35.4°F) and 10.7°C (51.3°F). April witnesses a subtle temperature ascent, adjusting from a frosty 6.4°C (43.5°F) in March to a cool 10.7°C (51.3°F). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Rossa, Switzerland, with an average temperature fluctuating between 5.1°C (41.2°F) and 14.6°C (58.3°F). The commencement of May sees a minor shift in the average high-temperature, moving from a fresh 10.7°C (51.3°F) in April to a mild 14.6°C (58.3°F). Weather in May »

Weather in June

June, the first month of the summer in Rossa, is a comfortable month, with an average temperature varying between 8.9°C (48°F) and 19.3°C (66.7°F). As Rossa, Switzerland, transitions into June, the average high-temperature is observed to slightly rise from 14.6°C (58.3°F) in May to a still refreshing 19.3°C (66.7°F). Weather in June »

Weather in July

July in Rossa, Switzerland, is a pleasant summer month, with an average temperature ranging between min 11.1°C (52°F) and max 21.9°C (71.4°F). July, noted for its average high-temperature of 21.9°C (71.4°F) and an average low-temperature of 11.1°C (52°F), is considered the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Rossa, Switzerland, with an average temperature fluctuating between 11.1°C (52°F) and 21.4°C (70.5°F). The onset of August notes an average high-temperature of a still pleasant 21.4°C (70.5°F), subtly shifted from July's 21.9°C (71.4°F). Weather in August »

Weather in September

September, the first month of the autumn in Rossa, is also an enjoyable month, with an average temperature varying between 17.1°C (62.8°F) and 7.5°C (45.5°F). Rossa, Switzerland, experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from an agreeable 21.4°C (70.5°F) in August to an enjoyable 17.1°C (62.8°F). Weather in September »

Weather in October

October, like September, in Rossa, Switzerland, is another fresh autumn month, with an average temperature fluctuating between 12°C (53.6°F) and 3.9°C (39°F). The onset of October introduces a moderate change in Rossa's weather, with average high-temperatures falling from September's enjoyable 17.1°C (62.8°F) to a cool 12°C (53.6°F). Weather in October »

Weather in November

November, the last month of the autumn in Rossa, is another chilly month, with an average temperature fluctuating between 6°C (42.8°F) and 0°C (32°F). The onset of November introduces a moderate change in Rossa's weather, with average high-temperatures falling from October's cool 12°C (53.6°F) to a chilly 6°C (42.8°F). Weather in November »

Weather in December

December, the first month of the winter in Rossa, is still a cold month, with an average temperature ranging between max 2.7°C (36.9°F) and min -4°C (24.8°F). The transition to December results in a modest reduction in average high-temperature, moving from a frosty 6°C (42.8°F) in November to an icy 2.7°C (36.9°F). Weather in December »

Frequently asked questions

With average high and low temperatures of 1.6°C (34.9°F) and -5°C (23°F) respectively, January is Rossa's coldest month.

The month with the least rainfall is January, when the rain falls for 5.8 days and typically collects 15mm (0.59") of precipitation.

In Rossa, Switzerland, during the entire year, the rain falls for 137.8 days and collects up to 669mm (26.34") of precipitation.

Months with snowfall in Rossa, Switzerland, are January through April, November and December.

In Rossa, during the entire year, snow falls for 4.8 days and aggregates up to 33mm (1.3") of snow.

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Rossa.

February is the month with the most snowfall in Rossa, Switzerland. Snow falls for 1.1 days and accumulates 12mm (0.47") of snow.

May through October are months without snowfall in Rossa, Switzerland.

June has the longest days of the year in Rossa, with an average of 15h and 42min of daylight.

June and July, with an average maximum UV index of 5, are months with the highest UV index.

In Rossa, the peak average temperatures are observed in July, with a high of 21.9°C (71.4°F) and a low of 11.1°C (52°F).

With an average relative humidity of 75%, July is the least humid month in Rossa, Switzerland.

The month with the most sunshine in Rossa, Switzerland, is July, with an average of 11.5h of sunshine.

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Rossa, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

The most humid month is November, with an average relative humidity of 83%.

November is the month with the most rainfall in Rossa, Switzerland. Rain falls for 11 days and accumulates 118mm (4.65") of precipitation.

The month with the least sunshine in Rossa, Switzerland, is November, with an average of 5.5h of sunshine.

The month with the shortest days in Rossa is December, with an average of 8h and 42min of daylight.

Average temperature
Rossa, Switzerland

The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (1.6°C).

The months with the highest average low temperature are July and August (11.1°C).
The coldest month (with the lowest average low temperature) is February (-5.1°C).

Average pressure
Rossa, Switzerland

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed
Rossa, Switzerland

The windiest month (with the highest average wind speed) is February (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.7km/h).

Average humidity
Rossa, Switzerland

The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is July (75%).

Average rainfall
Rossa, Switzerland

The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the least rainfall) is January (15mm).

Average rainfall days
Rossa, Switzerland

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is January (5.8 days).

Average snowfall
Rossa, Switzerland

The month with the highest snowfall is February (12mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days
Rossa, Switzerland

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

Average daylight / Average sunshine
Rossa, Switzerland

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).

Average sunshine days
Rossa, Switzerland

The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is July (11.3 days).

Average UV index
Rossa, Switzerland

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover
Rossa, Switzerland

The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility
Rossa, Switzerland

The months with the highest visibility are January, February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are September, October and November (8km).