Climate and monthly weather forecastBoom, Belgium
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Boom, Belgium, with an average temperature ranging between max 5.4°C (41.7°F) and min 1.3°C (34.3°F). Boom experiences its lowest average temperatures in January, reaching a peak of 5.4°C (41.7°F) and a minimum of 1.3°C (34.3°F). Weather in January »Weather in February
February, the last month of the winter in Boom, is a frosty month, with an average temperature ranging between max 6.7°C (44.1°F) and min 1.4°C (34.5°F). The transition from January to February brings an average high-temperature of a chilly 6.7°C (44.1°F), barely different from January's 5.4°C (41.7°F). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Boom, Belgium, with an average temperature fluctuating between 3.6°C (38.5°F) and 10.8°C (51.4°F). The arrival of March signals a slight increase in the average high-temperature, moving from a chilly 6.7°C (44.1°F) in February to a fresh 10.8°C (51.4°F). Weather in March »Weather in April
April is a refreshing spring month in Boom, Belgium, with an average temperature fluctuating between 6.2°C (43.2°F) and 15.5°C (59.9°F). The arrival of April introduces a minor uplift in high-temperatures, adjusting from a fresh 10.8°C (51.4°F) in March to a refreshing 15.5°C (59.9°F). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Boom, Belgium, with an average temperature ranging between min 8.7°C (47.7°F) and max 18°C (64.4°F). Boom, Belgium, experiences a subtle adjustment in high-temperatures to a comfortable 18°C (64.4°F) with the onset of May, maintaining near parity with April's 15.5°C (59.9°F). Weather in May »Weather in June
June, the first month of the summer in Boom, is an agreeable month, with an average temperature ranging between max 21.1°C (70°F) and min 11.9°C (53.4°F). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a refreshing 18°C (64.4°F) in May to an agreeable 21.1°C (70°F). Weather in June »Weather in July
July in Boom, Belgium, is a moderately hot summer month, with temperature in the range of an average low of 13.8°C (56.8°F) and an average high of 23.4°C (74.1°F). July stands out as Boom's warmest month, with temperatures ranging between an average high of 23.4°C (74.1°F) and 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 Boom, Belgium, with an average temperature varying between 23.3°C (73.9°F) and 14.3°C (57.7°F). The advent of August observes an average high-temperature of a still warm 23.3°C (73.9°F), nearly identical to July's 23.4°C (74.1°F). Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in Boom, Belgium, with an average temperature ranging between min 11.2°C (52.2°F) and max 19.5°C (67.1°F). The arrival of September signals a subtle shift in temperature, down from a moderately hot 23.3°C (73.9°F) in August to a refreshing 19.5°C (67.1°F). Weather in September »Weather in October
October, the same as September, in Boom, Belgium, is another refreshing autumn month, with an average temperature ranging between min 8.5°C (47.3°F) and max 15.1°C (59.2°F). The transition to October results in a modest reduction in average high-temperature, moving from a comfortable 19.5°C (67.1°F) in September to a still refreshing 15.1°C (59.2°F). Weather in October »Weather in November
November, the last month of the autumn in Boom, is another cool month, with an average temperature varying between 10°C (50°F) and 5.4°C (41.7°F). As Boom enters November, the average high-temperature decreases from the a mild 15.1°C (59.2°F) of October to a fresh 10°C (50°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Boom, Belgium, with temperature in the range of an average high of 6.5°C (43.7°F) and an average low of 2.8°C (37°F). Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a cool 10°C (50°F) to a chilly 6.5°C (43.7°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Boom, Belgium
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (5.4°C).
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure
Boom, Belgium
- Average pressure in January:
1016mbar - Average pressure in February:
1015.1mbar - Average pressure in March:
1016mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.5mbar - 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:
1016.1mbar
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
Boom, Belgium
- Average wind speed in January:
16.9km/h - Average wind speed in February:
17.4km/h - Average wind speed in March:
15.6km/h - Average wind speed in April:
12.7km/h - Average wind speed in May:
12.7km/h - Average wind speed in June:
12.5km/h
- Average wind speed in July:
12.1km/h - Average wind speed in August:
11.9km/h - Average wind speed in September:
12km/h - Average wind speed in October:
13.8km/h - Average wind speed in November:
15.6km/h - Average wind speed in December:
17.8km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity
Boom, Belgium
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall
Boom, Belgium
The wettest month (with the highest rainfall) is June (19mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days
Boom, Belgium
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
9.5 days - Average rainfall days in May:
11.5 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
12 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
7.7 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is June (12.1 days).
The months with the least rainy days are February and September (7.7 days).
Average snowfall
Boom, Belgium
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Boom, Belgium
- Average snowfall days in January:
2.5 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.1 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:
0.5 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Boom, 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:
3h and 48min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
8h and 48min - Average sunshine in August:
8h and 30min - Average sunshine in September:
7h and 24min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 6min - Average sunshine in December:
3h and 36min
The months with the most sunshine are June and July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days
Boom, Belgium
- Average sunshine days in January:
17.1 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18.9 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
14.6 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (14.3 days).
Average UV index
Boom, 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
Boom, Belgium
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility
Boom, 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).





