Climate and monthly weather forecastRøyken, Norway
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Røyken, Norway, with an average temperature ranging between min -7.2°C (19°F) and max -2.4°C (27.7°F). January stands out as Røyken's coldest month, with an average high-temperature of -2.4°C (27.7°F) and a low-temperature of -7.2°C (19°F). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Røyken, Norway, with temperature in the range of an average high of -1.6°C (29.1°F) and an average low of -7.2°C (19°F). The arrival of February is marked by an average high-temperature of a still freezing cold -1.6°C (29.1°F), bearing a close resemblance to January. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Røyken, Norway, with an average temperature varying between -4.3°C (24.3°F) and 2.6°C (36.7°F). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a freezing cold -1.6°C (29.1°F) to an icy 2.6°C (36.7°F). Weather in March »Weather in April
April is a frosty spring month in Røyken, Norway, with an average temperature varying between 9.3°C (48.7°F) and 1.4°C (34.5°F). Røyken sees an increase in average high-temperatures during April, moving from an icy 2.6°C (36.7°F) in March to a chilly 9.3°C (48.7°F). Weather in April »Weather in May
May, the last month of the spring in Røyken, is a moderate month, with temperature in the range of an average low of 5.3°C (41.5°F) and an average high of 14.5°C (58.1°F). The shift from April to May is marked by an increase in the average high-temperature, moving from a frosty 9.3°C (48.7°F) to a moderate 14.5°C (58.1°F). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Røyken, Norway, with an average temperature fluctuating between 18.1°C (64.6°F) and 8.7°C (47.7°F). As Røyken, Norway, welcomes June, the average high-temperature sees a modest rise, transitioning from a moderate 14.5°C (58.1°F) in May to a comfortable 18.1°C (64.6°F). Weather in June »Weather in July
July is an agreeable summer month in Røyken, Norway, with an average temperature fluctuating between 20.3°C (68.5°F) and 10.6°C (51.1°F). July, with its high-temperature average of 20.3°C (68.5°F) and a low-temperature average of 10.6°C (51.1°F), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also an enjoyable month in Røyken, Norway, with an average temperature ranging between min 10.3°C (50.5°F) and max 18.8°C (65.8°F). The arrival of August denotes a barely perceptible change in the average high-temperatures to a comfortable 18.8°C (65.8°F) from July's 20.3°C (68.5°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderate month in Røyken, Norway, with an average temperature varying between 7.2°C (45°F) and 14.6°C (58.3°F). In September, the meteorological conditions change slightly, with the average high-temperature moving from a comfortable 18.8°C (65.8°F) in August to a moderate 14.6°C (58.3°F). Weather in September »Weather in October
October, like September, is another chilly autumn month in Røyken, Norway, with an average temperature varying between 8.4°C (47.1°F) and 3.1°C (37.6°F). In October, the average high-temperature decreases from a mild 14.6°C (58.3°F) in September to a chilly 8.4°C (47.1°F). Weather in October »Weather in November
November, the last month of the autumn in Røyken, is another cold month, with an average temperature fluctuating between 2.7°C (36.9°F) and -0.6°C (30.9°F). November involves a decrease in temperature, down from a chilly 8.4°C (47.1°F) in October to a wintry 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 Røyken, Norway, with an average temperature fluctuating between -5.1°C (22.8°F) and -1.5°C (29.3°F). The transition to December results in a modest reduction in average high-temperature, moving from a cold 2.7°C (36.9°F) in November to a freezing cold -1.5°C (29.3°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Røyken, Norway
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.4°C).
The month with the highest average low temperature is July (10.6°C).
The coldest months (with the lowest average low temperature) are January and February (-7.2°C).
Average pressure
Røyken, Norway
- Average pressure in January:
1011.2mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1012.2mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1012.1mbar
- Average pressure in July:
1010.5mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1012.6mbar - Average pressure in October:
1013.7mbar - Average pressure in November:
1010.3mbar - 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
Røyken, Norway
- Average wind speed in January:
10.6km/h - Average wind speed in February:
10.1km/h - Average wind speed in March:
9.9km/h - Average wind speed in April:
9.9km/h - Average wind speed in May:
9.8km/h - Average wind speed in June:
9.1km/h
- Average wind speed in July:
8.7km/h - Average wind speed in August:
8.4km/h - Average wind speed in September:
9.6km/h - Average wind speed in October:
9.6km/h - Average wind speed in November:
10km/h - Average wind speed in December:
10.6km/h
The windiest months (with the highest average wind speed) are January and December (10.6km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity
Røyken, Norway
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall
Røyken, Norway
The wettest months (with the highest rainfall) are July and November (42mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days
Røyken, Norway
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
9.2 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is July (15.2 days).
The months with the least rainy days are January and February (4.8 days).
Average snowfall
Røyken, Norway
The month with the highest snowfall is March (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Røyken, Norway
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
7.4 days - Average snowfall days in April:
1.6 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:
0.9 days - Average snowfall days in November:
5.3 days - Average snowfall days in December:
7.9 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Røyken, 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 24min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 30min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 18min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 12min - Average sunshine in September:
7h and 48min - Average sunshine in October:
4h and 30min - Average sunshine in November:
3h and 48min - Average sunshine in December:
3h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days
Røyken, Norway
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
19.1 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
13.8 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is April (19.1 days).
The month with the least sunshine days is July (13.5 days).
Average UV index
Røyken, Norway
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Røyken, Norway
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility
Røyken, Norway
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February and March (7km).





