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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
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Olm, Luxembourg, with an average temperature fluctuating between 3°C (37.4°F) and -1.1°C (30°F). January, recording an average high temperature of 3°C (37.4°F) and a low temperature of -1.1°C (30°F), is Olm's coldest month. Weather in January »
Weather in February
February, the last month of the winter in Olm, is another cold month, with an average temperature varying between -0.9°C (30.4°F) and 4.1°C (39.4°F). Olm marks the arrival of February with an average high-temperature of a still wintry 4.1°C (39.4°F), hardly different from January's 3°C (37.4°F). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Olm, Luxembourg, with temperature in the range of an average high of 8.9°C (48°F) and an average low of 1.4°C (34.5°F). In Olm, the average high-temperature in March slightly rises, from a cold 4.1°C (39.4°F) in February, to a frosty 8.9°C (48°F). Weather in March »
Weather in April
April in Olm, Luxembourg, is a moderate spring month, with temperature in the range of an average high of 13.7°C (56.7°F) and an average low of 4.3°C (39.7°F). A minor escalation in the average high-temperature is seen with the onset of April, moving from a chilly 8.9°C (48°F) in March to a mild 13.7°C (56.7°F). Weather in April »
Weather in May
May, the last month of the spring in Olm, is an enjoyable month, with an average temperature varying between 16.2°C (61.2°F) and 6.7°C (44.1°F). The advent of May presents an average high-temperature of an enjoyable 16.2°C (61.2°F), maintaining a close correlation with the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is still a refreshing month in Olm, Luxembourg, with an average temperature fluctuating between 10.1°C (50.2°F) and 19.4°C (66.9°F). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from 16.2°C (61.2°F) in May to a still refreshing 19.4°C (66.9°F). Weather in June »
Weather in July
July is a pleasant summer month in Olm, Luxembourg, with temperature in the range of an average low of 12.1°C (53.8°F) and an average high of 21.8°C (71.2°F). During July and August, Olm registers its highest temperatures, averaging a high of 21.8°C (71.2°F). Weather in July »
Weather in August
August, the last month of the summer in Olm, is also an agreeable month, with temperature in the range of an average low of 12.3°C (54.1°F) and an average high of 21.8°C (71.2°F). July and August are known as Olm's warmest months, with an average high-temperature of 21.8°C (71.2°F). Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Olm, Luxembourg, with an average temperature ranging between max 18°C (64.4°F) and min 9°C (48.2°F). September's onset introduces a mild reduction in the average high-temperature, from a pleasant 21.8°C (71.2°F) in August to an enjoyable 18°C (64.4°F). Weather in September »
Weather in October
October, the same as September, in Olm, Luxembourg, is a moderate autumn month, with an average temperature varying between 5.8°C (42.4°F) and 13°C (55.4°F). October brings a drop in Olm's average high-temperature, falling from a refreshing 18°C (64.4°F) in September to a mild 13°C (55.4°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Olm, Luxembourg, with an average temperature fluctuating between 2.8°C (37°F) and 7.5°C (45.5°F). November brings a decrease in the average high-temperature, falling from October's mild 13°C (55.4°F) to a frosty 7.5°C (45.5°F). Weather in November »
Weather in December
December, the first month of the winter in Olm, is also an icy month, with an average temperature fluctuating between 4.4°C (39.9°F) and 0.2°C (32.4°F). The average high-temperature shows a slight dip in December, from November's frosty 7.5°C (45.5°F) to a cold 4.4°C (39.9°F). Weather in December »
Updated: Feb 3, 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
What part of the year is the coldest in Olm?
Temperature readings in Olm, Luxembourg, reach their annual highs in January, averaging 3°C (37.4°F) and a minimum average of -1.1°C (30°F).
How much does it rain in Olm?
Throughout the year, in Olm, Luxembourg, there are 179.7 rainfall days, and 616mm (24.25") of precipitation is accumulated.
When does it snow in Olm?
Months with snowfall are January through May, October through December.
When does it snow the most in Olm?
The months with the most snowfall are January and December, with an average 80mm (3.15") of accumulated snow.
How many days does it snow in Olm?
Throughout the year, in Olm, there are 35.1 snowfall days, and 303mm (11.93") of snow is accumulated.
When is the lowest UV index in Olm?
The months with the lowest UV index in Olm, Luxembourg, are January through March, November and December, with an average maximum UV index of 2.
What are the least humid months in Olm?
The months with the lowest humidity in Olm, Luxembourg, are April and August, with an average relative humidity of 78%.
What is the driest month in Olm?
April is the month with the least rainfall. Rain falls for 12.9 days and accumulates 34mm (1.34") of precipitation.
When it does not snow in Olm?
June through September are months without snowfall in Olm, Luxembourg.
When are the longest days in Olm?
With an average of 16h and 12min of daylight, June has the longest days of the year in Olm.
What is the warmest month in Olm?
The months of July and August bring the highest temperatures in Olm, averaging a high of 21.8°C (71.2°F).
What month has the most sunshine in Olm?
With an average of 9.4h of sunshine, July has the most sunshine of the year.
What is the month with the highest UV index in Olm?
The month with the highest UV index is July, with an average maximum UV index of 5.
When is Daylight Saving Time (DST) in Olm?
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 Olm?
December is the most humid month, with an average relative humidity of 92%.
What is the rainiest month in Olm?
The month with the most rainfall in Olm, Luxembourg, is December, when the rain falls for 14.6 days and typically aggregates up to 73mm (2.87") of precipitation.
What is the month with the shortest days in Olm?
December has the shortest days of the year, with an average of 8h and 12min of daylight.
What is the month with the least sunshine in Olm?
With an average of 3h of sunshine, December has the least sunshine of the year in Olm, Luxembourg.
Average temperature
Olm, Luxembourg
The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (3°C).
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure
Olm, Luxembourg
- Average pressure in January:
1017.5mbar - Average pressure in February:
1016.3mbar - Average pressure in March:
1016.4mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1016.1mbar
- Average pressure in July:
1015.8mbar - Average pressure in August:
1016mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1017.3mbar - Average pressure in November:
1013.9mbar - Average pressure in December:
1018.1mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed
Olm, Luxembourg
- Average wind speed in January:
15.3km/h - Average wind speed in February:
16km/h - Average wind speed in March:
15.1km/h - Average wind speed in April:
11.9km/h - Average wind speed in May:
11.3km/h - Average wind speed in June:
10.9km/h
- Average wind speed in July:
10.4km/h - Average wind speed in August:
9.8km/h - Average wind speed in September:
10.4km/h - Average wind speed in October:
12km/h - Average wind speed in November:
13.8km/h - Average wind speed in December:
15.6km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity
Olm, Luxembourg
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall
Olm, Luxembourg
The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days
Olm, Luxembourg
- Average rainfall days in January:
13.2 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
17 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
14.6 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.6 days).
Average snowfall
Olm, Luxembourg
The months with the highest snowfall are January and December (80mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Olm, Luxembourg
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
3.9 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0.2 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:
3.4 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Olm, Luxembourg
- Average daylight in January:
8h and 4min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 5min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 4min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 2min - Average sunshine in September:
7h and 5min - Average sunshine in October:
5h and 1min - Average sunshine in November:
3h and 3min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days
Olm, Luxembourg
- Average sunshine days in January:
11.2 days - Average sunshine days in February:
10.7 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
14 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
9 days
The months with the most sunshine days are April and September (14.7 days).
The month with the least sunshine days is December (9 days).
Average UV index
Olm, Luxembourg
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Olm, Luxembourg
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility
Olm, Luxembourg
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).
