Climate and monthly weather forecastGrandson, Switzerland
Climate and monthly weather forecast
Weather in January
January, like December, in Grandson, Switzerland, is a wintry winter month, with an average temperature fluctuating between -3.8°C (25.2°F) and 2.5°C (36.5°F). Grandson's January weather, with an average high temperature of 2.5°C (36.5°F) and an average low temperature of -3.8°C (25.2°F), tends to be the coldest of the year. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Grandson, Switzerland, with temperature in the range of an average high of 3°C (37.4°F) and an average low of -3.6°C (25.5°F). Grandson starts February with an average high-temperature of a still wintry 3°C (37.4°F), hinting at a minimal fluctuation from January. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Grandson, Switzerland, with an average temperature varying between -0.5°C (31.1°F) and 7.7°C (45.9°F). March brings a slight increase in the average high-temperature, progressing from an icy 3°C (37.4°F) in February to a frosty 7.7°C (45.9°F). Weather in March »Weather in April
April in Grandson, Switzerland, is a moderate spring month, with an average temperature fluctuating between 13°C (55.4°F) and 3°C (37.4°F). April's arrival coincides with a temperature rise, moving from March's chilly 7.7°C (45.9°F) to a moderate 13°C (55.4°F). Weather in April »Weather in May
May, the last month of the spring in Grandson, is also a moderate month, with an average temperature ranging between max 15.7°C (60.3°F) and min 5.5°C (41.9°F). The unfolding of May shows an average high-temperature of a still mild 15.7°C (60.3°F), indicating a slight variance from April's 13°C (55.4°F). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Grandson, Switzerland, with an average temperature fluctuating between 19.8°C (67.6°F) and 9.4°C (48.9°F). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a refreshing 15.7°C (60.3°F) to a comfortable 19.8°C (67.6°F). Weather in June »Weather in July
July in Grandson, Switzerland, is a pleasant summer month, with an average temperature varying between 22.1°C (71.8°F) and 11.3°C (52.3°F). Grandson's temperatures tend to hit their maximum during July and August, with an average high-temperature of 22.1°C (71.8°F). Weather in July »Weather in August
August, the last month of the summer in Grandson, is also an agreeable month, with temperature in the range of an average low of 11.2°C (52.2°F) and an average high of 22.1°C (71.8°F). The months of July and August bring the highest temperatures, averaging a high of 22.1°C (71.8°F). Weather in August »Weather in September
September, the first month of the autumn in Grandson, is still a comfortable month, with an average temperature varying between 7.7°C (45.9°F) and 17.8°C (64°F). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from an agreeable 22.1°C (71.8°F) in August to a comfortable 17.8°C (64°F). Weather in September »Weather in October
October, the same as September, in Grandson, Switzerland, is another mild autumn month, with an average temperature ranging between min 4.7°C (40.5°F) and max 13.5°C (56.3°F). October reveals a small adjustment in temperature, transitioning from an average high of an enjoyable 17.8°C (64°F) in September to a still refreshing 13.5°C (56.3°F). Weather in October »Weather in November
November, the last month of the autumn in Grandson, is also a frosty month, with an average temperature varying between 8.2°C (46.8°F) and 1°C (33.8°F). In November, the meteorological conditions alter, with the average high-temperature shifting from a mild 13.5°C (56.3°F) in October to a frosty 8.2°C (46.8°F). Weather in November »Weather in December
December, the first month of the winter in Grandson, is also an icy month, with an average temperature ranging between max 4°C (39.2°F) and min -1.7°C (28.9°F). December signifies a gentle decline in Grandson's average high-temperature, easing from a frosty 8.2°C (46.8°F) in November to an icy 4°C (39.2°F). Weather in December »Updated: Feb 4, 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
Grandson records the coldest temperatures in January, averaging a high of 2.5°C (36.5°F) and a low of -3.8°C (25.2°F).
With an average relative humidity of 87%, January is the most humid month in Grandson, Switzerland.
In Grandson, during the entire year, the rain falls for 104.2 days and collects up to 215mm (8.46") of precipitation.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 4.6 days and typically aggregates up to 25mm (0.98") of snow.
In Grandson, Switzerland, during the entire year, snow falls for 18.1 days and aggregates up to 90mm (3.54") of snow.
The months with the lowest UV index in Grandson, Switzerland, are January through March, November and December, with an average maximum UV index of 2.
The months with the lowest humidity in Grandson, Switzerland, are April and July, with an average relative humidity of 79%.
June is the month with the most rainfall in Grandson, Switzerland. Rain falls for 11.4 days and accumulates 26mm (1.02") of precipitation.
June through September are months without snowfall in Grandson.
The month with the longest days is June, with an average of 15h and 48min of daylight.
The months with the highest UV index in Grandson are June and July, with an average maximum UV index of 5.
Grandson's warmest season falls during July and August, averaging a high-temperature of 22.1°C (71.8°F).
July and August, with an average of 10.3h of sunshine, are months with the most sunshine in Grandson, Switzerland.
September is the month with the least rainfall in Grandson. Rain falls for 7.1 days and accumulates 8mm (0.31") of precipitation.
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.
December has the shortest days of the year in Grandson, with an average of 8h and 36min of daylight.
With an average of 5.1h of sunshine, December has the least sunshine of the year in Grandson, Switzerland.
Average temperature
Grandson, Switzerland
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (2.5°C).
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure
Grandson, 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:
1016.6mbar
- 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
Grandson, Switzerland
- Average wind speed in January:
10.5km/h - Average wind speed in February:
11km/h - Average wind speed in March:
10.7km/h - Average wind speed in April:
8.8km/h - Average wind speed in May:
8.9km/h - Average wind speed in June:
8km/h
- Average wind speed in July:
7.2km/h - Average wind speed in August:
6.6km/h - Average wind speed in September:
7.7km/h - Average wind speed in October:
7.8km/h - Average wind speed in November:
9.2km/h - Average wind speed in December:
10.7km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity
Grandson, Switzerland
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and July (79%).
Average rainfall
Grandson, Switzerland
The wettest month (with the highest rainfall) is June (26mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days
Grandson, Switzerland
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
9.7 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
11.4 days
- Average rainfall days in July:
10 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
7.1 days - Average rainfall days in October:
6.3 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall
Grandson, Switzerland
The month with the highest snowfall is January (25mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Grandson, Switzerland
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 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:
0.3 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Grandson, Switzerland
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
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 18min - Average sunshine in February:
5h and 30min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 6min
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 6min).
Average sunshine days
Grandson, Switzerland
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
20 days - Average sunshine days in March:
19.7 days - Average sunshine days in April:
18.1 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
16.5 days
- Average sunshine days in July:
19.2 days - Average sunshine days in August:
19.2 days - Average sunshine days in September:
20.2 days - Average sunshine days in October:
23.5 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
20.7 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.8 days).
Average UV index
Grandson, 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
Grandson, Switzerland
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Grandson, Switzerland
The months with the highest visibility are March, April, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September and October (8km).
