Climate and monthly weather forecastJalhay, Belgium
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Jalhay, Belgium, with an average temperature ranging between max 3.4°C (38.1°F) and min -0.8°C (30.6°F). The lowest temperatures are recorded in January, with averages reaching a high of 3.4°C (38.1°F) and a low of -0.8°C (30.6°F). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Jalhay, Belgium, with temperature in the range of an average high of 4.6°C (40.3°F) and an average low of -0.8°C (30.6°F). Jalhay's shift from January to February is accompanied by an average high-temperature of a still cold 4.6°C (40.3°F), a slight deviation from 3.4°C (38.1°F). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Jalhay, Belgium, with an average temperature fluctuating between 8.6°C (47.5°F) and 1.7°C (35.1°F). Jalhay's transition into March sees a mild rise in the average high-temperature, edging from a wintry 4.6°C (40.3°F) in February to a chilly 8.6°C (47.5°F). Weather in March »Weather in April
April is a moderate spring month in Jalhay, Belgium, with an average temperature varying between 13.6°C (56.5°F) and 4.2°C (39.6°F). Jalhay's transition into April brings a rise in the average high-temperature, moving from a chilly 8.6°C (47.5°F) in March to a moderate 13.6°C (56.5°F). Weather in April »Weather in May
May, the last month of the spring in Jalhay, is a refreshing month, with an average temperature ranging between min 6.5°C (43.7°F) and max 16.1°C (61°F). In May, Jalhay experiences a minor shift in meteorological conditions with average high-temperatures marked at a still refreshing 16.1°C (61°F), closely mirroring the climate in April. Weather in May »Weather in June
The first month of the summer, June, is also an enjoyable month in Jalhay, Belgium, with an average temperature varying between 10.3°C (50.5°F) and 19.2°C (66.6°F). A slight uplift in the average high-temperature marks June, adjusting from May's 16.1°C (61°F) to a still refreshing 19.2°C (66.6°F). Weather in June »Weather in July
July is a pleasant summer month in Jalhay, Belgium, with an average temperature varying between 21.6°C (70.9°F) and 11.8°C (53.2°F). In Jalhay, Belgium, the months of July and August are known for the peak temperatures, reaching an average high of 21.6°C (70.9°F). Weather in July »Weather in August
August, the last month of the summer in Jalhay, is another pleasant month, with an average temperature fluctuating between 21.6°C (70.9°F) and 12.1°C (53.8°F). July and August are characterised by peak temperatures, with an average high of 21.6°C (70.9°F). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Jalhay, Belgium, with an average temperature ranging between min 9.1°C (48.4°F) and max 17.6°C (63.7°F). Jalhay records a mild change in average high-temperature during September, easing from a pleasant 21.6°C (70.9°F) in August to an enjoyable 17.6°C (63.7°F). Weather in September »Weather in October
October, the same as September, in Jalhay, Belgium, is another refreshing autumn month, with an average temperature varying between 6.4°C (43.5°F) and 13.3°C (55.9°F). As October commences, the average high-temperature subtly reduces, transitioning from a refreshing 17.6°C (63.7°F) in September to a mild 13.3°C (55.9°F). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Jalhay, Belgium, with an average temperature fluctuating between 3.5°C (38.3°F) and 8.4°C (47.1°F). The transition into November involves a small decrease in the average high-temperature, dipping slightly from a mild 13.3°C (55.9°F) in October to a chilly 8.4°C (47.1°F). Weather in November »Weather in December
December, the first month of the winter in Jalhay, is still a cold month, with an average temperature varying between 4.7°C (40.5°F) and 0.7°C (33.3°F). The beginning of December brings a minor change in the average high-temperature, shifting from a frosty 8.4°C (47.1°F) in November to an icy 4.7°C (40.5°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
January, having an average high-temperature of 3.4°C (38.1°F) and an average low-temperature of -0.8°C (30.6°F), is the coldest month.
The months with the highest humidity are January and December, with an average relative humidity of 90%.
Throughout the year, there are 188.4 rainfall days, and 587mm (23.11") of precipitation is accumulated.
Months with snowfall in Jalhay, Belgium, are January through May, October through December.
Throughout the year, there are 28 snowfall days, and 235mm (9.25") of snow is accumulated.
The months with the lowest UV index in Jalhay are January through March, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 7.6 days and accumulates 76mm (2.99") of snow.
April and August, with an average relative humidity of 79%, are the least humid months in Jalhay, Belgium.
April is the month with the least rainfall in Jalhay. Rain falls for 14.3 days and accumulates 26mm (1.02") of precipitation.
In Jalhay, snow does not fall in June through September.
June has the longest days of the year in Jalhay, Belgium, with an average of 16h and 24min of daylight.
June and July, with an average maximum UV index of 5, are months with the highest UV index.
Jalhay's warmest period falls in July and August, when the average high-temperatures ascend to 21.6°C (70.9°F).
With an average of 8.9h of sunshine, August has the most sunshine of the year in Jalhay.
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 month with the most rainfall in Jalhay, Belgium, is December, when the rain falls for 14.9 days and typically aggregates up to 64mm (2.52") of precipitation.
December has the shortest days of the year, with an average of 8h and 6min of daylight.
December has the least sunshine of the year, with an average of 3.4h of sunshine.
Average temperature
Jalhay, Belgium
The warmest months (with the highest average high temperature) are July and August (21.6°C).
The month with the lowest average high temperature is January (3.4°C).
The month with the highest average low temperature is August (12.1°C).
The coldest months (with the lowest average low temperature) are January and February (-0.8°C).
Average pressure
Jalhay, Belgium
- Average pressure in January:
1016.7mbar - Average pressure in February:
1015.7mbar - Average pressure in March:
1016.2mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.6mbar - Average pressure in August:
1015.8mbar - Average pressure in September:
1017.7mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1013.2mbar - Average pressure in December:
1017mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed
Jalhay, Belgium
- Average wind speed in January:
16.3km/h - Average wind speed in February:
16.7km/h - Average wind speed in March:
15.1km/h - Average wind speed in April:
11.9km/h - Average wind speed in May:
11.4km/h - Average wind speed in June:
11.1km/h
- Average wind speed in July:
10.6km/h - Average wind speed in August:
10.5km/h - Average wind speed in September:
10.8km/h - Average wind speed in October:
13km/h - Average wind speed in November:
14.9km/h - Average wind speed in December:
17km/h
The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity
Jalhay, Belgium
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall
Jalhay, Belgium
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days
Jalhay, Belgium
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
15.9 days - Average rainfall days in December:
14.9 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (12.3 days).
Average snowfall
Jalhay, Belgium
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Jalhay, Belgium
- Average snowfall days in January:
8.9 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.1 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:
0.3 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
5.6 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jalhay, Belgium
- Average daylight in January:
8h and 36min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 30min - Average daylight in June:
16h and 24min
- Average daylight in July:
15h and 54min - 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:
9h and 0min - Average daylight in December:
8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 36min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 0min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
8h and 48min - Average sunshine in August:
8h and 54min - Average sunshine in September:
7h and 42min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 24min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days
Jalhay, Belgium
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
9.5 days - Average sunshine days in March:
12 days - Average sunshine days in April:
13 days - Average sunshine days in May:
10.2 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
9.7 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is July (8.6 days).
Average UV index
Jalhay, Belgium
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Jalhay, Belgium
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility
Jalhay, Belgium
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
