Climate and monthly weather forecastOlen, Belgium
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Olen, Belgium, with an average temperature fluctuating between 1.4°C (34.5°F) and 5.2°C (41.4°F). January, with average temperatures reaching a high of 5.2°C (41.4°F) and a low of 1.4°C (34.5°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Olen, Belgium, with temperature in the range of an average high of 6.5°C (43.7°F) and an average low of 1.4°C (34.5°F). Olen starts February with an average high-temperature of a chilly 6.5°C (43.7°F), a minor shift from January's 5.2°C (41.4°F). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Olen, Belgium, with temperature in the range of an average low of 3.5°C (38.3°F) and an average high of 10.8°C (51.4°F). The arrival of March introduces a minor uplift in high-temperatures, adjusting from a chilly 6.5°C (43.7°F) in February to a cool 10.8°C (51.4°F). Weather in March »Weather in April
April in Olen, Belgium, is a refreshing spring month, with an average temperature fluctuating between 15.5°C (59.9°F) and 6.3°C (43.3°F). April's onset brings a minor rise in the average high-temperature, moving from a fresh 10.8°C (51.4°F) in March to a moderate 15.5°C (59.9°F). Weather in April »Weather in May
May, the last month of the spring in Olen, is a comfortable month, with an average temperature varying between 8.7°C (47.7°F) and 17.8°C (64°F). On the advent of May, Olen's average high-temperature exhibits a minor adjustment to a still refreshing 17.8°C (64°F) from April's 15.5°C (59.9°F). Weather in May »Weather in June
June, the first month of the summer in Olen, is an agreeable month, with an average temperature fluctuating between 21.1°C (70°F) and 11.9°C (53.4°F). With the onset of June, Olen experiences a subtle temperature shift, with the average high-temperature moving from an enjoyable 17.8°C (64°F) in May to a pleasant 21.1°C (70°F). Weather in June »Weather in July
July is a moderately hot summer month in Olen, Belgium, with an average temperature ranging between min 13.8°C (56.8°F) and max 23.3°C (73.9°F). July is the month that records the highest temperatures, with averages ranging from a high of 23.3°C (73.9°F) to a low of 13.8°C (56.8°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Olen, Belgium, with an average temperature fluctuating between 14.3°C (57.7°F) and 23.1°C (73.6°F). August's advent denotes a minor fluctuation in the average high-temperature to a still warm 23.1°C (73.6°F) from July's 23.3°C (73.9°F). Weather in August »Weather in September
September, the first month of the autumn in Olen, is still a comfortable month, with an average temperature varying between 19.5°C (67.1°F) and 11.3°C (52.3°F). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 23.1°C (73.6°F) in August to an enjoyable 19.5°C (67.1°F). Weather in September »Weather in October
October, like September, is a moderate autumn month in Olen, Belgium, with an average temperature varying between 8.5°C (47.3°F) and 15.1°C (59.2°F). October indicates a minor shift in the average high-temperature, from September's enjoyable 19.5°C (67.1°F) to a moderate 15.1°C (59.2°F). Weather in October »Weather in November
November, the last month of the autumn in Olen, is also a frosty month, with an average temperature ranging between max 9.9°C (49.8°F) and min 5.4°C (41.7°F). Olen in November demonstrates a small temperature transition, adjusting from an average high of a mild 15.1°C (59.2°F) in October to a chilly 9.9°C (49.8°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Olen, Belgium, with an average temperature ranging between max 6.5°C (43.7°F) and min 2.7°C (36.9°F). Olen records a mild change in average high-temperature during December, easing from 9.9°C (49.8°F) in November to a still frosty 6.5°C (43.7°F). Weather in December »Updated: Jan 29, 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
During the coldest month in Olen, January, temperatures average a high of 5.2°C (41.4°F) and a low of 1.4°C (34.5°F).
In Olen, Belgium, during the entire year, the rain falls for 179.1 days and collects up to 451mm (17.76") of precipitation.
Months with snowfall in Olen are January through March, November and December.
Throughout the year, there are 10.6 snowfall days, and 78mm (3.07") of snow is accumulated.
The months with the lowest UV index in Olen are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall in Olen, Belgium. Snow falls for 3.4 days and accumulates 26mm (1.02") of snow.
April and August, with an average relative humidity of 74%, are the least humid months in Olen, Belgium.
The month with the least rainfall is April, when the rain falls for 13.3 days and typically collects 22mm (0.87") of precipitation.
April through October are months without snowfall.
The month with the most rainfall is June, when the rain falls for 16.9 days and typically aggregates up to 51mm (2.01") of precipitation.
June has the longest days of the year in Olen, Belgium, with an average of 16h and 30min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index in Olen.
Temperature readings in Olen, Belgium, reach their annual highs in July, averaging 23.3°C (73.9°F) and a minimum average of 13.8°C (56.8°F).
With an average of 9.1h of sunshine, July has the most sunshine of the year in Olen, Belgium.
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 most humid month in Olen is December, with an average relative humidity of 87%.
December has the shortest days of the year, with an average of 8h and 0min of daylight.
With an average of 3.8h of sunshine, December has the least sunshine of the year.
Average temperature
Olen, Belgium
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.2°C).
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.4°C).
Average pressure
Olen, Belgium
- Average pressure in January:
1015.9mbar - Average pressure in February:
1015mbar - Average pressure in March:
1016mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1016.2mbar
- Average pressure in July:
1015.6mbar - Average pressure in August:
1015.6mbar - Average pressure in September:
1017.4mbar - Average pressure in October:
1016.3mbar - Average pressure in November:
1012.3mbar - Average pressure in December:
1016mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed
Olen, Belgium
- Average wind speed in January:
16.7km/h - Average wind speed in February:
17.2km/h - Average wind speed in March:
15.4km/h - Average wind speed in April:
12.5km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
12.2km/h
- Average wind speed in July:
11.8km/h - Average wind speed in August:
11.6km/h - Average wind speed in September:
11.8km/h - Average wind speed in October:
13.6km/h - Average wind speed in November:
15.3km/h - Average wind speed in December:
17.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity
Olen, Belgium
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall
Olen, Belgium
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days
Olen, Belgium
- Average rainfall days in January:
14.3 days - Average rainfall days in February:
12.5 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
14.2 days - Average rainfall days in December:
15.7 days
The month with the highest number of rainy days is July (17.6 days).
The months with the least rainy days are February and September (12.5 days).
Average snowfall
Olen, Belgium
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Olen, Belgium
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
3.4 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:
0.4 days - Average snowfall days in December:
2.1 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Olen, Belgium
- Average daylight in January:
8h and 30min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 36min - Average daylight in June:
16h and 30min
- Average daylight in July:
16h and 0min - Average daylight in August:
14h and 30min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
8h and 54min - Average daylight in December:
8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 6min - Average sunshine in August:
8h and 54min - Average sunshine in September:
7h and 36min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days
Olen, Belgium
- Average sunshine days in January:
12.9 days - Average sunshine days in February:
11.2 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
12.6 days - Average sunshine days in December:
11.9 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is June (11.1 days).
Average UV index
Olen, Belgium
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Olen, Belgium
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility
Olen, Belgium
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
