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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Grenchen, Switzerland, is an icy winter month, with temperature in the range of an average high of 2.7°C (36.9°F) and an average low of -2.8°C (27°F). Temperature readings reach their annual highs in January, averaging 2.7°C (36.9°F) and a minimum average of -2.8°C (27°F). Weather in January »
Weather in February
February, the last month of the winter in Grenchen, is also a wintry month, with an average temperature varying between 3.7°C (38.7°F) and -2.8°C (27°F). Grenchen experiences an average high-temperature of a still cold 3.7°C (38.7°F) in February, marking an insignificant shift from 2.7°C (36.9°F) in January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Grenchen, Switzerland, with temperature in the range of an average high of 8.8°C (47.8°F) and an average low of 0.3°C (32.5°F). Grenchen's transition into March sees a rise in the average high-temperature, advancing from a wintry 3.7°C (38.7°F) in February to a chilly 8.8°C (47.8°F). Weather in March »
Weather in April
April is a mild spring month in Grenchen, Switzerland, with temperature in the range of an average high of 14°C (57.2°F) and an average low of 3.5°C (38.3°F). Grenchen's weather in April presents a rise in the average high-temperature, moving from a chilly 8.8°C (47.8°F) in March to a refreshing 14°C (57.2°F). Weather in April »
Weather in May
May, the last month of the spring in Grenchen, is a comfortable month, with temperature in the range of an average low of 6°C (42.8°F) and an average high of 16.8°C (62.2°F). As Grenchen transitions from April to May, the average high-temperatures adjust to a still refreshing 16.8°C (62.2°F), nearly the same as the previous 14°C (57.2°F). Weather in May »
Weather in June
June, the first month of the summer in Grenchen, is a pleasant month, with an average temperature ranging between max 20.8°C (69.4°F) and min 9.9°C (49.8°F). A slight uplift in the average high-temperature marks June, adjusting from May's refreshing 16.8°C (62.2°F) to a pleasant 20.8°C (69.4°F). Weather in June »
Weather in July
July is a warm summer month in Grenchen, Switzerland, with temperature in the range of an average high of 23.1°C (73.6°F) and an average low of 11.9°C (53.4°F). The highest temperatures are recorded in July, with averages reaching a high of 23.1°C (73.6°F) and a low of 11.9°C (53.4°F). Weather in July »
Weather in August
August, the last month of the summer in Grenchen, is another warm month, with an average temperature fluctuating between 11.7°C (53.1°F) and 23°C (73.4°F). As Grenchen transitions into August, the average high-temperature stands at a still warm 23°C (73.4°F), offering little variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Grenchen, is still a refreshing month, with an average temperature ranging between max 18.7°C (65.7°F) and min 8.3°C (46.9°F). September's onset brings a negligible change in high-temperatures, falling from a warm 23°C (73.4°F) in August to a refreshing 18.7°C (65.7°F). Weather in September »
Weather in October
October, the same as September, in Grenchen, Switzerland, is a moderate autumn month, with an average temperature fluctuating between 13.7°C (56.7°F) and 4.9°C (40.8°F). With October's arrival, Grenchen's weather changes as the average high-temperature falls from an enjoyable 18.7°C (65.7°F) in September to a moderate 13.7°C (56.7°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Grenchen, Switzerland, with an average temperature ranging between max 8.2°C (46.8°F) and min 1.4°C (34.5°F). Grenchen's weather in November involves a decrease in the average high-temperature, moving down from October's moderate 13.7°C (56.7°F) to a frosty 8.2°C (46.8°F). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Grenchen, Switzerland, with an average temperature varying between -1.5°C (29.3°F) and 4.2°C (39.6°F). December signifies a gentle decline in Grenchen's average high-temperature, easing from a frosty 8.2°C (46.8°F) in November to an icy 4.2°C (39.6°F). Weather in December »
Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Grenchen?
January is the month when Grenchen experiences its coldest temperatures, averaging a high of 2.7°C (36.9°F) and a low of -2.8°C (27°F).
What is the most humid month in Grenchen?
January is the most humid month in Grenchen, with an average relative humidity of 87%.
How much does it rain in Grenchen?
In Grenchen, during the entire year, the rain falls for 195.6 days and collects up to 870mm (34.25") of precipitation.
When does it snow in Grenchen?
January through May, September through December are months with snowfall.
How much does it snow in Grenchen?
Throughout the year, in Grenchen, there are 37.6 snowfall days, and 557mm (21.93") of snow is accumulated.
When is the lowest UV index in Grenchen?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Grenchen?
February is the month with the most snowfall in Grenchen. Snow falls for 9.4 days and accumulates 133mm (5.24") of snow.
What are the least humid months in Grenchen?
The months with the lowest humidity are April, July and August, with an average relative humidity of 79%.
What is the wettest month in Grenchen?
June is the month with the most rainfall. Rain falls for 20.2 days and accumulates 97mm (3.82") of precipitation.
When it does not snow in Grenchen?
June through August are months without snowfall in Grenchen.
When are the longest days in Grenchen?
The month with the longest days in Grenchen is June, with an average of 15h and 54min of daylight.
When is the highest UV index in Grenchen?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What time of the year is the hottest in Grenchen?
With average temperatures fluctuating between a high of 23.1°C (73.6°F) and a low of 11.9°C (53.4°F), July stands out as the warmest month.
What month has the most sunshine in Grenchen?
With an average of 10.3h of sunshine, August has the most sunshine of the year in Grenchen, Switzerland.
What is the driest month in Grenchen?
The month with the least rainfall in Grenchen, Switzerland, is September, when the rain falls for 15 days and typically collects 46mm (1.81") of precipitation.
When is Daylight Saving Time (DST) in Grenchen?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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.
What is the month with the shortest days in Grenchen?
The month with the shortest days in Grenchen, Switzerland, is December, with an average of 8h and 36min of daylight.
What is the month with the least sunshine in Grenchen?
The month with the least sunshine in Grenchen is December, with an average of 4.9h of sunshine.
Average temperature
Grenchen, Switzerland
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.7°C).
The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).
Average pressure
Grenchen, Switzerland
- Average pressure in January:
1019.5mbar - Average pressure in February:
1017.8mbar - Average pressure in March:
1017.1mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.3mbar - Average pressure in June:
1016.6mbar
- Average pressure in July:
1017.1mbar - Average pressure in August:
1017.7mbar - Average pressure in September:
1018.6mbar - Average pressure in October:
1018.5mbar - Average pressure in November:
1015.8mbar - Average pressure in December:
1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed
Grenchen, Switzerland
- Average wind speed in January:
9.7km/h - Average wind speed in February:
10.2km/h - Average wind speed in March:
10.1km/h - Average wind speed in April:
8.3km/h - Average wind speed in May:
8.4km/h - Average wind speed in June:
7.6km/h
- Average wind speed in July:
7.1km/h - Average wind speed in August:
6.3km/h - Average wind speed in September:
7.2km/h - Average wind speed in October:
7.2km/h - Average wind speed in November:
8.2km/h - Average wind speed in December:
9.9km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity
Grenchen, Switzerland
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall
Grenchen, Switzerland
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days
Grenchen, Switzerland
- Average rainfall days in January:
13.7 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
21.9 days - Average rainfall days in June:
20.2 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
15 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
14.9 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).
Average snowfall
Grenchen, Switzerland
The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days
Grenchen, Switzerland
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
5.4 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
3.8 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Grenchen, Switzerland
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 3min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 3min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Grenchen, Switzerland
- Average sunshine days in January:
11.6 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
6.7 days - Average sunshine days in June:
7.1 days
- Average sunshine days in July:
7.8 days - Average sunshine days in August:
9.8 days - Average sunshine days in September:
12.1 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).
Average UV index
Grenchen, 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, November and December (UV index 2).
Average cloud cover
Grenchen, Switzerland
The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Grenchen, Switzerland
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
