Expand
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
Weather in January
January, the same as December, is an icy winter month in Altena, Netherlands, with temperature in the range of an average low of 1.2°C (34.2°F) and an average high of 4.4°C (39.9°F). During the coldest month, January, temperatures average a high of 4.4°C (39.9°F) and a low of 1.2°C (34.2°F). Weather in January »
Weather in February
February, the last month of the winter in Altena, is also a wintry month, with an average temperature varying between 1°C (33.8°F) and 5.3°C (41.5°F). Altena experiences an average high-temperature of a still cold 5.3°C (41.5°F) in February, marking an insignificant shift from 4.4°C (39.9°F) in January. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Altena, Netherlands, with temperature in the range of an average high of 8.7°C (47.7°F) and an average low of 2.8°C (37°F). The embrace of March brings a minor uplift in the average high-temperature, shifting from a wintry 5.3°C (41.5°F) in February to a frosty 8.7°C (47.7°F). Weather in March »
Weather in April
April is a mild spring month in Altena, Netherlands, with an average temperature fluctuating between 13.2°C (55.8°F) and 5.7°C (42.3°F). Observing a minor shift, the average high-temperature during April adjusts from March's frosty 8.7°C (47.7°F) to a moderate 13.2°C (55.8°F). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Altena, Netherlands, with an average temperature ranging between max 16.1°C (61°F) and min 8.4°C (47.1°F). As May takes its course, Altena's average high-temperature registers at a still refreshing 16.1°C (61°F), closely aligning with the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Altena, is still a refreshing month, with temperature in the range of an average high of 18.6°C (65.5°F) and an average low of 11.2°C (52.2°F). June's weather records an average high-temperature of a still enjoyable 18.6°C (65.5°F), showing little deviation from May. Weather in June »
Weather in July
July in Altena, Netherlands, is a pleasant summer month, with an average temperature varying between 13.3°C (55.9°F) and 21°C (69.8°F). The transition from June to July sees an average high-temperature of an agreeable 21°C (69.8°F), indicating a minor variance from the prior month. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Altena, Netherlands, with temperature in the range of an average low of 13.9°C (57°F) and an average high of 21.3°C (70.3°F). In Altena, the peak average temperatures are observed in August, with a high of 21.3°C (70.3°F) and a low of 13.9°C (57°F). Weather in August »
Weather in September
September, the first month of the autumn in Altena, is still a comfortable month, with an average temperature fluctuating between 11.7°C (53.1°F) and 18°C (64.4°F). A moderate decline in average high-temperatures is noted in September, moving from an agreeable 21.3°C (70.3°F) in August to an enjoyable 18°C (64.4°F). Weather in September »
Weather in October
October, like September, is another mild autumn month in Altena, Netherlands, with temperature in the range of an average low of 8.7°C (47.7°F) and an average high of 13.9°C (57°F). Transitioning from September to October involves a subtle drop in average high-temperatures, descending from an enjoyable 18°C (64.4°F) to a moderate 13.9°C (57°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Altena, Netherlands, with an average temperature fluctuating between 9°C (48.2°F) and 5.1°C (41.2°F). The beginning of November subtly marks a decrease in the average high-temperature, transitioning from a mild 13.9°C (57°F) in October to a chilly 9°C (48.2°F). Weather in November »
Weather in December
December, the first month of the winter in Altena, is also a frosty month, with temperature in the range of an average low of 2.7°C (36.9°F) and an average high of 6°C (42.8°F). The start of December signals a gentle decrease in the average high-temperature, transitioning from a chilly 9°C (48.2°F) in November to a still frosty 6°C (42.8°F). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Altena?
In Altena, January is the coldest month, with temperatures averaging a high of 4.4°C (39.9°F) and a low of 1.2°C (34.2°F).
How much does it rain in Altena?
In Altena, Netherlands, during the entire year, the rain falls for 179 days and collects up to 336mm (13.23") of precipitation.
When does it snow in Altena?
Months with snowfall are January through March, November and December.
What is the snowiest month in Altena?
The month with the most snowfall in Altena, Netherlands, is January, when snow falls for 4.3 days and typically aggregates up to 17mm (0.67") of snow.
How many days does it snow in Altena?
Throughout the year, in Altena, Netherlands, there are 14.9 snowfall days, and 51mm (2.01") of snow is accumulated.
When is the lowest UV index in Altena?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Altena, Netherlands.
What is the least humid month in Altena?
With an average relative humidity of 77%, April is the least humid month in Altena.
What is the driest month in Altena?
The month with the least rainfall in Altena is April, when the rain falls for 11.9 days and typically collects 17mm (0.67") of precipitation.
When it does not snow in Altena?
In Altena, snow does not fall in April through October.
What is the rainiest month in Altena?
June is the month with the most rainfall. Rain falls for 16.7 days and accumulates 41mm (1.61") of precipitation.
When are the longest days in Altena?
The month with the longest days in Altena is June, with an average of 16h and 54min of daylight.
What month has the most sunshine in Altena?
July has the most sunshine of the year in Altena, Netherlands, with an average of 9.2h of sunshine.
What is the month with the highest UV index in Altena?
The month with the highest UV index is July, with an average maximum UV index of 5.
What time of the year is the hottest in Altena?
Altena's temperatures tend to reach their peak averages in August, with a high of 21.3°C (70.3°F) and a low of 13.9°C (57°F).
When is Daylight Saving Time (DST) in Altena?
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.
What is the most humid month in Altena?
With an average relative humidity of 88%, December is the most humid month in Altena.
What is the month with the shortest days in Altena?
December has the shortest days of the year, with an average of 7h and 36min of daylight.
What is the month with the least sunshine in Altena?
December has the least sunshine of the year in Altena, Netherlands, with an average of 3.4h of sunshine.
Average temperature
Altena, Netherlands
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.4°C).
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure
Altena, Netherlands
- Average pressure in January:
1013.9mbar - Average pressure in February:
1013.8mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1016mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1014.8mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1016.4mbar - Average pressure in October:
1015.3mbar - Average pressure in November:
1011.1mbar - Average pressure in December:
1013.4mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed
Altena, Netherlands
- Average wind speed in January:
20.9km/h - Average wind speed in February:
20.4km/h - Average wind speed in March:
18.3km/h - Average wind speed in April:
15.6km/h - Average wind speed in May:
15.5km/h - Average wind speed in June:
14.5km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
14.2km/h - Average wind speed in September:
15.1km/h - Average wind speed in October:
17.3km/h - Average wind speed in November:
18.3km/h - Average wind speed in December:
21.2km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity
Altena, Netherlands
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Altena, Netherlands
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days
Altena, Netherlands
- Average rainfall days in January:
14.4 days - Average rainfall days in February:
11.5 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
17.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall
Altena, Netherlands
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Altena, Netherlands
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 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 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Altena, Netherlands
- Average daylight in January:
8h and 1min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 5min
- Average daylight in July:
16h and 2min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 4min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 1min - Average sunshine in August:
9h and 1min - Average sunshine in September:
7h and 1min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 1min - Average sunshine in December:
3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days
Altena, Netherlands
- Average sunshine days in January:
11.1 days - Average sunshine days in February:
10.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
9.1 days - Average sunshine days in August:
9.2 days - Average sunshine days in September:
10.2 days - Average sunshine days in October:
11.1 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
9 days
The months with the most sunshine days are March and April (14.8 days).
The month with the least sunshine days is December (9 days).
Average UV index
Altena, Netherlands
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Altena, Netherlands
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility
Altena, Netherlands
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February, March, May, June, July, September, October, November and December (9km).
Altena, Netherlands
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
