Climate and monthly weather forecastGlenavy, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Glenavy, United Kingdom, is a frosty winter month, with an average temperature ranging between min 2.3°C (36.1°F) and max 6.2°C (43.2°F). January is the month when Glenavy, United Kingdom, experiences its coldest temperatures, averaging a high of 6.2°C (43.2°F) and a low of 2.3°C (36.1°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Glenavy, United Kingdom, with an average temperature ranging between max 6.8°C (44.2°F) and min 2.2°C (36°F). With the start of February, Glenavy measures an average high-temperature of a still frosty 6.8°C (44.2°F), not significantly differing from January's 6.2°C (43.2°F). Weather in February »Weather in March
March, the first month of the spring in Glenavy, is also a frosty month, with temperature in the range of an average high of 8.6°C (47.5°F) and an average low of 2.5°C (36.5°F). Glenavy experiences an average high-temperature of a still frosty 8.6°C (47.5°F) in March, marking an insignificant shift from 6.8°C (44.2°F) in February. Weather in March »Weather in April
April is a fresh spring month in Glenavy, United Kingdom, with temperature in the range of an average high of 11°C (51.8°F) and an average low of 4.3°C (39.7°F). Glenavy's shift from March to April is accompanied by an average high-temperature of a fresh 11°C (51.8°F), a slight deviation from 8.6°C (47.5°F). Weather in April »Weather in May
May, the last month of the spring in Glenavy, is a mild month, with an average temperature varying between 13.4°C (56.1°F) and 6.7°C (44.1°F). An average high-temperature of a moderate 13.4°C (56.1°F) marks May, exhibiting a close resemblance to the conditions in April. Weather in May »Weather in June
June, the first month of the summer in Glenavy, is still a mild month, with temperature in the range of an average high of 15.9°C (60.6°F) and an average low of 8.9°C (48°F). June is marked by an average high-temperature of a still moderate 15.9°C (60.6°F), almost identical to the preceding month. Weather in June »Weather in July
July is an enjoyable summer month in Glenavy, United Kingdom, with an average temperature varying between 17°C (62.6°F) and 10.4°C (50.7°F). July registers as the month with the highest average temperatures, reaching 17°C (62.6°F) at its peak and 10.4°C (50.7°F) at the lowest. Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Glenavy, United Kingdom, with an average temperature ranging between min 10.8°C (51.4°F) and max 16.4°C (61.5°F). The high-temperature average in August for Glenavy is a still enjoyable 16.4°C (61.5°F), staying closely aligned with July's conditions. Weather in August »Weather in September
September, the first month of the autumn in Glenavy, is still a refreshing month, with an average temperature varying between 9.3°C (48.7°F) and 14.8°C (58.6°F). As Glenavy welcomes September, the average high-temperature records at a moderate 14.8°C (58.6°F), marking an insignificant deviation from the prior month. Weather in September »Weather in October
October, like September, in Glenavy, United Kingdom, is another fresh autumn month, with an average temperature ranging between max 12.3°C (54.1°F) and min 7.6°C (45.7°F). The transition into October is marked with an average high-temperature of a fresh 12.3°C (54.1°F), showing an insignificant shift from September's 14.8°C (58.6°F). Weather in October »Weather in November
November, the last month of the autumn in Glenavy, is also a frosty month, with temperature in the range of an average high of 8.9°C (48°F) and an average low of 4.8°C (40.6°F). In Glenavy, the beginning of November is marked by a marginally lowered average high-temperature, shifting from October's fresh 12.3°C (54.1°F) to a chilly 8.9°C (48°F). Weather in November »Weather in December
December, the first month of the winter in Glenavy, is still a chilly month, with temperature in the range of an average low of 3°C (37.4°F) and an average high of 6.7°C (44.1°F). Glenavy, United Kingdom, marks the arrival of December with an average high-temperature of a still frosty 6.7°C (44.1°F), hardly different from November's 8.9°C (48°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Glenavy, United Kingdom
The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is January (6.2°C).
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).
Average pressure
Glenavy, United Kingdom
- Average pressure in January:
1009.8mbar - Average pressure in February:
1009.7mbar - Average pressure in March:
1013.1mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1015.5mbar - Average pressure in June:
1014.8mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1011.7mbar - Average pressure in September:
1014.1mbar - Average pressure in October:
1011.7mbar - Average pressure in November:
1007.2mbar - Average pressure in December:
1009.1mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.2mbar).
Average wind speed
Glenavy, United Kingdom
- Average wind speed in January:
19.9km/h - Average wind speed in February:
19.4km/h - Average wind speed in March:
17.8km/h - Average wind speed in April:
15.4km/h - Average wind speed in May:
15km/h - Average wind speed in June:
13.1km/h
- Average wind speed in July:
12.9km/h - Average wind speed in August:
14.1km/h - Average wind speed in September:
15.4km/h - Average wind speed in October:
16.4km/h - Average wind speed in November:
17.7km/h - Average wind speed in December:
19.4km/h
The windiest month (with the highest average wind speed) is January (19.9km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity
Glenavy, United Kingdom
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall
Glenavy, United Kingdom
The wettest months (with the highest rainfall) are June and August (23mm).
The driest months (with the least rainfall) are January and May (11mm).
Average rainfall days
Glenavy, United Kingdom
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
10.9 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
10 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is February (9.8 days).
Average snowfall
Glenavy, United Kingdom
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Glenavy, United Kingdom
- Average snowfall days in January:
2.5 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0.2 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:
0.3 days - Average snowfall days in December:
1.2 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
Glenavy, United Kingdom
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 42min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 6min - Average daylight in May:
16h and 6min - Average daylight in June:
17h and 12min
- Average daylight in July:
16h and 36min - Average daylight in August:
14h and 54min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 30min - Average daylight in November:
8h and 30min - Average daylight in December:
7h and 24min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 24min - Average sunshine in March:
4h and 42min - Average sunshine in April:
6h and 24min - Average sunshine in May:
6h and 24min - Average sunshine in June:
7h and 0min
- Average sunshine in July:
6h and 0min - Average sunshine in August:
5h and 54min - Average sunshine in September:
5h and 36min - Average sunshine in October:
3h and 42min - Average sunshine in November:
4h and 0min - Average sunshine in December:
4h and 0min
The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days
Glenavy, United Kingdom
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
12 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
13.9 days - Average sunshine days in December:
16.3 days
The months with the most sunshine days are May and December (16.3 days).
The month with the least sunshine days is August (12 days).
Average UV index
Glenavy, United Kingdom
The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Glenavy, United Kingdom
The month with the most cloud cover is July (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility
Glenavy, United Kingdom
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).





