Climate and monthly weather forecastSlemmestad, Norway
Climate and monthly weather forecast
Weather in January
January, the same as December, in Slemmestad, Norway, is another subzero cold winter month, with temperature in the range of an average high of -2.4°C (27.7°F) and an average low of -7.3°C (18.9°F). Slemmestad experiences its lowest average temperatures in January, reaching a peak of -2.4°C (27.7°F) and a minimum of -7.3°C (18.9°F). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Slemmestad, Norway, with an average temperature ranging between max -1.6°C (29.1°F) and min -7.8°C (18°F). Stepping into February, Slemmestad records an average high-temperature of a still freezing cold -1.6°C (29.1°F), almost consistent with January. Weather in February »Weather in March
The first month of the spring, March, is an icy month in Slemmestad, Norway, with temperature in the range of an average high of 2.2°C (36°F) and an average low of -4.5°C (23.9°F). A minor escalation in the average high-temperature is seen with the onset of March, moving from a freezing cold -1.6°C (29.1°F) in February to a wintry 2.2°C (36°F). Weather in March »Weather in April
April is a chilly spring month in Slemmestad, Norway, with an average temperature fluctuating between 9.1°C (48.4°F) and 1.3°C (34.3°F). April's onset brings a rise in the average high-temperature, moving from a wintry 2.2°C (36°F) in March to a frosty 9.1°C (48.4°F). Weather in April »Weather in May
May, the last month of the spring in Slemmestad, is a moderate month, with temperature in the range of an average low of 5.5°C (41.9°F) and an average high of 14.4°C (57.9°F). Slemmestad's transition into May brings a rise in the average high-temperature, moving from a chilly 9.1°C (48.4°F) in April to a moderate 14.4°C (57.9°F). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Slemmestad, Norway, with an average temperature varying between 18.2°C (64.8°F) and 8.8°C (47.8°F). A subtle rise in the average high-temperature is observed during June, adjusting from a refreshing 14.4°C (57.9°F) in May to a comfortable 18.2°C (64.8°F). Weather in June »Weather in July
July in Slemmestad, Norway, is an agreeable summer month, with an average temperature fluctuating between 20.4°C (68.7°F) and 10.8°C (51.4°F). Temperature readings reach their annual highs in July, averaging 20.4°C (68.7°F) and a minimum average of 10.8°C (51.4°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Slemmestad, Norway, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 18.9°C (66°F). The transition from July to August brings an average high-temperature of an enjoyable 18.9°C (66°F), barely different from July's 20.4°C (68.7°F). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Slemmestad, Norway, with an average temperature fluctuating between 7.2°C (45°F) and 14.7°C (58.5°F). The shift from August to September coincides with a small decrease in the average high-temperature, down to a moderate 14.7°C (58.5°F) from a comfortable 18.9°C (66°F). Weather in September »Weather in October
October, the same as September, in Slemmestad, Norway, is another chilly autumn month, with an average temperature ranging between max 8.3°C (46.9°F) and min 3.2°C (37.8°F). October's arrival comes with a decrease in the average high-temperature, moving from a moderate 14.7°C (58.5°F) in September to a chilly 8.3°C (46.9°F). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Slemmestad, Norway, with an average temperature varying between -0.5°C (31.1°F) and 2.7°C (36.9°F). Onset of November witnesses a reduction in the average high-temperature, falling from a frosty 8.3°C (46.9°F) in October to an icy 2.7°C (36.9°F). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Slemmestad, Norway, with an average temperature varying between -5.3°C (22.5°F) and -1.6°C (29.1°F). The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's icy 2.7°C (36.9°F) to a freezing cold -1.6°C (29.1°F). Weather in December »Updated: Jan 26, 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
The month of January sees the average lowest temperatures in Slemmestad, Norway, reaching -2.4°C (27.7°F) at the peak and -7.3°C (18.9°F) at the low.
Throughout the year, in Slemmestad, Norway, there are 127.7 rainfall days, and 307mm (12.09") of precipitation is accumulated.
January through May, October through December are months with snowfall in Slemmestad, Norway.
Throughout the year, in Slemmestad, Norway, there are 42.9 snowfall days, and 271mm (10.67") of snow is accumulated.
January and December, with an average of 3.2h of sunshine, are months with the least sunshine in Slemmestad, Norway.
January and February, with an average maximum UV index of 1, are months with the lowest UV index.
February is the most humid month in Slemmestad, Norway, with an average relative humidity of 91%.
The month with the most snowfall in Slemmestad is March, when snow falls for 8.7 days and typically aggregates up to 73mm (2.87") of snow.
The month with the coldest seawater in Slemmestad, Norway, is March, with an average sea temperature of 3.2°C (37.8°F).
The month with the least rainfall in Slemmestad, Norway, is April, when the rain falls for 10.9 days and typically collects 13mm (0.51") of precipitation.
The least humid month in Slemmestad is May, with an average relative humidity of 71%.
The months with the highest UV index are May through August, with an average maximum UV index of 4.
In Slemmestad, Norway, snow does not fall in June through September.
With an average of 18h and 36min of daylight, June has the longest days of the year.
June has the most sunshine of the year in Slemmestad, Norway, with an average of 11.4h of sunshine.
July is Slemmestad's warmest month, registering average high temperatures of 20.4°C (68.7°F) and lows of 10.8°C (51.4°F).
The month with the most rainfall is July, when the rain falls for 18.3 days and typically aggregates up to 40mm (1.57") of precipitation.
August is the month with the warmest seawater, with an average sea temperature of 17.8°C (64°F).
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.
The month with the shortest days is December, with an average of 6h and 6min of daylight.
Average temperature
Slemmestad, Norway
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.4°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 (-7.8°C).
Average pressure
Slemmestad, Norway
- Average pressure in January:
1011.3mbar - Average pressure in February:
1011.4mbar - Average pressure in March:
1012.2mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1012mbar
- Average pressure in July:
1010.5mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1012.6mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1008mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed
Slemmestad, Norway
- Average wind speed in January:
9.9km/h - Average wind speed in February:
9.4km/h - Average wind speed in March:
9.5km/h - Average wind speed in April:
9.5km/h - Average wind speed in May:
9.6km/h - Average wind speed in June:
9km/h
- Average wind speed in July:
8.6km/h - Average wind speed in August:
8.3km/h - Average wind speed in September:
9.5km/h - Average wind speed in October:
9.3km/h - Average wind speed in November:
9.5km/h - Average wind speed in December:
9.8km/h
The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity
Slemmestad, Norway
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Slemmestad, Norway
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days
Slemmestad, Norway
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
7.7 days - Average rainfall days in April:
10.9 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Slemmestad, Norway
The month with the highest snowfall is March (73mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Slemmestad, Norway
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
8.7 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.4 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:
0.5 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
6.9 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Slemmestad, Norway
The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (3.2°C).
Average daylight / Average sunshine
Slemmestad, Norway
- Average daylight in January:
6h and 54min - Average daylight in February:
9h and 12min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 36min - Average daylight in May:
17h and 6min - Average daylight in June:
18h and 36min
- Average daylight in July:
17h and 54min - Average daylight in August:
15h and 30min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 36min - Average daylight in December:
6h and 6min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in January:
3h and 12min - Average sunshine in February:
3h and 18min - Average sunshine in March:
5h and 6min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 6min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
8h and 48min - Average sunshine in September:
7h and 30min - Average sunshine in October:
4h and 30min - Average sunshine in November:
3h and 36min - Average sunshine in December:
3h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days
Slemmestad, Norway
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
18.3 days
The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index
Slemmestad, Norway
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Slemmestad, Norway
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility
Slemmestad, Norway
The months with the highest visibility are April, May and June (9km).
The month with the lowest visibility is February (6km).
