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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 Grolley, Switzerland, is an icy winter month, with an average temperature varying between 2.2°C (36°F) and -4.5°C (23.9°F). January is Grolley's coldest month, registering average high temperatures of 2.2°C (36°F) and lows of -4.5°C (23.9°F). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Grolley, Switzerland, with an average temperature varying between -4.6°C (23.7°F) and 2.8°C (37°F). During February, the average high-temperature is a still cold 2.8°C (37°F), maintaining a close resemblance to that of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Grolley, is a frosty month, with an average temperature varying between -1.1°C (30°F) and 7.4°C (45.3°F). With the onset of March, Grolley's average high-temperature experiences a slight rise, moving from February's wintry 2.8°C (37°F) to a chilly 7.4°C (45.3°F). Weather in March »
Weather in April
April is a fresh spring month in Grolley, Switzerland, with an average temperature varying between 2.8°C (37°F) and 12.8°C (55°F). As Grolley, Switzerland, transitions into April, a rise in the average high-temperature is observed, moving from a chilly 7.4°C (45.3°F) in March to a fresh 12.8°C (55°F). Weather in April »
Weather in May
May, the last month of the spring in Grolley, is a refreshing month, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 5°C (41°F). The advent of May denotes an average high-temperature of a refreshing 15.5°C (59.9°F), subtly different from April's 12.8°C (55°F). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Grolley, Switzerland, with an average temperature ranging between max 19.7°C (67.5°F) and min 8.8°C (47.8°F). In Grolley, stepping into June brings a gentle temperature nudge, moving slightly up from May's moderate 15.5°C (59.9°F) to an enjoyable 19.7°C (67.5°F). Weather in June »
Weather in July
July in Grolley, Switzerland, is a pleasant summer month, with temperature in the range of an average high of 22°C (71.6°F) and an average low of 10.8°C (51.4°F). Grolley records the warmest temperatures in July, averaging a high of 22°C (71.6°F) and a low of 10.8°C (51.4°F). Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Grolley, Switzerland, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 21.9°C (71.4°F). Grolley starts August with an average high-temperature of a still agreeable 21.9°C (71.4°F), a minor shift from July's 22°C (71.6°F). Weather in August »
Weather in September
September, the first month of the autumn in Grolley, is also an enjoyable month, with an average temperature ranging between min 7.4°C (45.3°F) and max 17.6°C (63.7°F). The onset of September is marked by a minor decrease in temperature, transitioning from an agreeable 21.9°C (71.4°F) in August to a comfortable 17.6°C (63.7°F). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Grolley, Switzerland, with an average temperature fluctuating between 3.9°C (39°F) and 13.3°C (55.9°F). A moderate decline in average high-temperatures is noted in October, moving from a refreshing 17.6°C (63.7°F) in September to a mild 13.3°C (55.9°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Grolley, Switzerland, with an average temperature fluctuating between 0.7°C (33.3°F) and 7.7°C (45.9°F). Grolley in November undergoes a mild reduction in the average high-temperature, shifting from October's mild 13.3°C (55.9°F) to a chilly 7.7°C (45.9°F). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Grolley, Switzerland, with an average temperature fluctuating between 3.7°C (38.7°F) and -2.7°C (27.1°F). Grolley's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's frosty 7.7°C (45.9°F) to an icy 3.7°C (38.7°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 time of the year is the coldest in Grolley?
January, with an average high of 2.2°C (36°F) and a low of -4.5°C (23.9°F), signifies the coldest month of the year.
What is the most humid month in Grolley?
The months with the highest humidity are January and February, with an average relative humidity of 86%.
How many days does it rain in Grolley?
Throughout the year, there are 205.3 rainfall days, and 992mm (39.06") of precipitation is accumulated.
When does it snow in Grolley?
Months with snowfall are January through May, October through December.
How many days does it snow in Grolley?
In Grolley, during the entire year, snow falls for 44.9 days and aggregates up to 818mm (32.2") of snow.
What is the month with the lowest UV index in Grolley?
The months with the lowest UV index in Grolley are January through March, November and December, with an average maximum UV index of 2.
What are the least humid months in Grolley?
The months with the lowest humidity in Grolley, Switzerland, are April, July and August, with an average relative humidity of 79%.
What is the wettest month in Grolley?
June is the month with the most rainfall in Grolley. Rain falls for 22.4 days and accumulates 117mm (4.61") of precipitation.
When it does not snow in Grolley?
In Grolley, Switzerland, snow does not fall in June through September.
When are the longest days in Grolley?
June has the longest days of the year in Grolley, Switzerland, with an average of 15h and 48min of daylight.
When is the highest UV index in Grolley?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What are the warmest months in Grolley?
Grolley's warmest month, July, generally records average temperatures ranging from a high of 22°C (71.6°F) to a low of 10.8°C (51.4°F).
What is the month with the most sunshine in Grolley?
The months with the most sunshine are July and August, with an average of 10.3h of sunshine.
What is the driest month in Grolley?
September is the month with the least rainfall in Grolley. Rain falls for 16.5 days and accumulates 53mm (2.09") of precipitation.
When is Daylight Saving Time (DST) in Grolley?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Grolley, Switzerland, 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 snowiest month in Grolley?
December is the month with the most snowfall. Snow falls for 8.6 days and accumulates 192mm (7.56") of snow.
What is the month with the shortest days in Grolley?
With an average of 8h and 36min of daylight, December has the shortest days of the year.
What is the month with the least sunshine in Grolley?
The month with the least sunshine in Grolley, Switzerland, is December, with an average of 5.2h of sunshine.
Average temperature
Grolley, Switzerland
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (2.2°C).
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-4.6°C).
Average pressure
Grolley, Switzerland
- Average pressure in January:
1019.5mbar - Average pressure in February:
1017.7mbar - Average pressure in March:
1017.1mbar - Average pressure in April:
1015.5mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1016.5mbar
- Average pressure in July:
1017.1mbar - Average pressure in August:
1017.8mbar - Average pressure in September:
1018.6mbar - Average pressure in October:
1018.5mbar - Average pressure in November:
1015.9mbar - Average pressure in December:
1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed
Grolley, Switzerland
- Average wind speed in January:
9.5km/h - Average wind speed in February:
9.9km/h - Average wind speed in March:
9.8km/h - Average wind speed in April:
8.1km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
7.5km/h
- Average wind speed in July:
6.9km/h - Average wind speed in August:
6.3km/h - Average wind speed in September:
7.2km/h - Average wind speed in October:
7.3km/h - Average wind speed in November:
8.3km/h - Average wind speed in December:
9.8km/h
The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity
Grolley, Switzerland
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall
Grolley, Switzerland
- Average rainfall in January:
71mm - Average rainfall in February:
64mm - Average rainfall in March:
67mm - Average rainfall in April:
60mm - Average rainfall in May:
109mm - Average rainfall in June:
117mm
The wettest month (with the highest rainfall) is June (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days
Grolley, Switzerland
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
12.2 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
23.1 days - Average rainfall days in June:
22.4 days
- Average rainfall days in July:
22.3 days - Average rainfall days in August:
20.8 days - Average rainfall days in September:
16.5 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
12.8 days - Average rainfall days in December:
13.9 days
The month with the highest number of rainy days is May (23.1 days).
The month with the least rainy days is February (12.2 days).
Average snowfall
Grolley, Switzerland
The month with the highest snowfall is December (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Grolley, Switzerland
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
7 days - Average snowfall days in April:
1.5 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 days - Average snowfall days in October:
0.8 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
8.6 days
The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grolley, 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 2min - 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 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 4min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days
Grolley, Switzerland
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
11.6 days - Average sunshine days in April:
8.9 days - Average sunshine days in May:
5.3 days - Average sunshine days in June:
4.3 days
- Average sunshine days in July:
5.8 days - Average sunshine days in August:
7.1 days - Average sunshine days in September:
10.3 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
13 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is June (4.3 days).
Average UV index
Grolley, 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, November and December (UV index 2).
Average cloud cover
Grolley, Switzerland
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Grolley, Switzerland
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
