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 »

Frequently asked questions

January, with its average high-temperature of -2.4°C (27.7°F) and an average low-temperature of -7.2°C (19°F), holds the record as the coldest month.

Throughout the year, in Røyken, Norway, there are 123.4 rainfall days, and 384mm (15.12") of precipitation is accumulated.

January through May, October through December are months with snowfall in Røyken, Norway.

Throughout the year, in Røyken, Norway, there are 44.9 snowfall days, and 505mm (19.88") of snow is accumulated.

January and December, with an average of 3.4h of sunshine, are months with the least sunshine.

January and February, with an average maximum UV index of 1, are months with the lowest UV index in Røyken, Norway.

With an average relative humidity of 90%, February is the most humid month.

The month with the most snowfall in Røyken, Norway, is March, when snow falls for 7.4 days and typically aggregates up to 113mm (4.45") of snow.

The month with the least rainfall in Røyken, Norway, is April, when the rain falls for 9.2 days and typically collects 16mm (0.63") of precipitation.

With an average relative humidity of 70%, May is the least humid month.

June through September are months without snowfall.

June has the longest days of the year in Røyken, with an average of 18h and 36min of daylight.

June has the most sunshine of the year in Røyken, with an average of 11.5h of sunshine.

In Røyken, July is the month with the highest recorded average temperatures, measuring a high of 20.3°C (68.5°F) and a low of 10.6°C (51.1°F).

The months with the most rainfall in Røyken, Norway, are July and November, with an average 42mm (1.65") of precipitation.

July is the month with the highest UV index in Røyken, with an average maximum UV index of 5.

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Røyken, 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.

With an average of 6h and 6min of daylight, December has the shortest days of the year in Røyken, Norway.

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

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

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

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

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

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).

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

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).