Climate and monthly weather forecastColliston, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Colliston, United Kingdom, with temperature in the range of an average low of 3.4°C (38.1°F) and an average high of 5.8°C (42.4°F). Temperature records mark January as the coldest month, with highs averaging 5.8°C (42.4°F) and lows at 3.4°C (38.1°F). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Colliston, United Kingdom, with an average temperature fluctuating between 3.3°C (37.9°F) and 6°C (42.8°F). Colliston observes a minor difference in average high-temperatures between January's 5.8°C (42.4°F) and February's 6°C (42.8°F). Weather in February »Weather in March
March, the first month of the spring in Colliston, is also a frosty month, with an average temperature ranging between min 4°C (39.2°F) and max 7.5°C (45.5°F). With the onset of March, a modest change to a still chilly 7.5°C (45.5°F) from February's 6°C (42.8°F) is noted in high-temperature. Weather in March »Weather in April
April, like March, is another chilly spring month in Colliston, United Kingdom, with temperature in the range of an average high of 9.5°C (49.1°F) and an average low of 5.3°C (41.5°F). The shift into April records an average high-temperature of a still frosty 9.5°C (49.1°F), subtly varied from March's 7.5°C (45.5°F). Weather in April »Weather in May
The last month of the spring, May, is a fresh month in Colliston, United Kingdom, with an average temperature fluctuating between 11.6°C (52.9°F) and 7°C (44.6°F). During May, the average high-temperature is a cool 11.6°C (52.9°F), maintaining a close resemblance to that of the preceding month. Weather in May »Weather in June
The first month of the summer, June, is a mild month in Colliston, United Kingdom, with temperature in the range of an average low of 9.5°C (49.1°F) and an average high of 13.8°C (56.8°F). The average high-temperature in June, at a refreshing 13.8°C (56.8°F), reveals a modest deviation from May's 11.6°C (52.9°F). Weather in June »Weather in July
July, the same as June, in Colliston, United Kingdom, is another refreshing summer month, with an average temperature fluctuating between 11.5°C (52.7°F) and 15.9°C (60.6°F). The commencement of July brings an average high-temperature of a still mild 15.9°C (60.6°F), marking an inconsequential divergence from June. Weather in July »Weather in August
August, the last month of the summer in Colliston, is an enjoyable month, with an average temperature fluctuating between 16.1°C (61°F) and 11.9°C (53.4°F). With an average high-temperature of 16.1°C (61°F) and an average low-temperature of 11.9°C (53.4°F), August is the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderate month in Colliston, United Kingdom, with an average temperature varying between 14.5°C (58.1°F) and 10.5°C (50.9°F). A minimal variation is noted in Colliston's average high-temperature at the onset of September, reaching a mild 14.5°C (58.1°F) from August's 16.1°C (61°F). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Colliston, United Kingdom, with an average temperature varying between 8.5°C (47.3°F) and 11.6°C (52.9°F). The transition from September to October sees average high-temperatures adjusting to a fresh 11.6°C (52.9°F), from a not significantly different 14.5°C (58.1°F). Weather in October »Weather in November
November, the last month of the autumn in Colliston, is also a frosty month, with an average temperature ranging between min 5.9°C (42.6°F) and max 8.6°C (47.5°F). With the onset of November, Colliston's average high-temperature slightly adjusts, moderately receding from October's fresh 11.6°C (52.9°F) to a chilly 8.6°C (47.5°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Colliston, United Kingdom, with temperature in the range of an average low of 3.8°C (38.8°F) and an average high of 6.6°C (43.9°F). The arrival of December coincides with an average high-temperature of a still chilly 6.6°C (43.9°F), indicating a minimal shift from November's 8.6°C (47.5°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Colliston, United Kingdom
The warmest month (with the highest average high temperature) is August (16.1°C).
The month with the lowest average high temperature is January (5.8°C).
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure
Colliston, United Kingdom
- Average pressure in January:
1008.4mbar - Average pressure in February:
1008.6mbar - Average pressure in March:
1012.1mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1014.6mbar
- Average pressure in July:
1012.4mbar - Average pressure in August:
1011mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1011.4mbar - Average pressure in November:
1006.7mbar - Average pressure in December:
1007.3mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.7mbar).
Average wind speed
Colliston, United Kingdom
- Average wind speed in January:
25km/h - Average wind speed in February:
23.4km/h - Average wind speed in March:
21.7km/h - Average wind speed in April:
17.9km/h - Average wind speed in May:
17.1km/h - Average wind speed in June:
15km/h
- Average wind speed in July:
15km/h - Average wind speed in August:
16.5km/h - Average wind speed in September:
18.9km/h - Average wind speed in October:
21.1km/h - Average wind speed in November:
23.5km/h - Average wind speed in December:
25.5km/h
The windiest month (with the highest average wind speed) is December (25.5km/h).
The calmest months (with the lowest average wind speed) are June and July (15km/h).
Average humidity
Colliston, United Kingdom
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are March and April (81%).
Average rainfall
Colliston, United Kingdom
The wettest months (with the highest rainfall) are July and August (18mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days
Colliston, United Kingdom
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
8.6 days - Average rainfall days in April:
7.5 days - Average rainfall days in May:
8.8 days - Average rainfall days in June:
9.4 days
- Average rainfall days in July:
11 days - Average rainfall days in August:
11.6 days - Average rainfall days in September:
7.3 days - Average rainfall days in October:
8.9 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is August (11.6 days).
The month with the least rainy days is February (6.6 days).
Average snowfall
Colliston, United Kingdom
The month with the highest snowfall is February (9mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Colliston, United Kingdom
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.1 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:
1.4 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Colliston, United Kingdom
- Average daylight in January:
7h and 36min - Average daylight in February:
9h and 36min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 18min - Average daylight in May:
16h and 30min - Average daylight in June:
17h and 42min
- Average daylight in July:
17h and 6min - Average daylight in August:
15h and 6min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 24min - Average daylight in November:
8h and 12min - Average daylight in December:
6h and 54min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in January:
4h and 42min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 54min - Average sunshine in May:
7h and 48min - Average sunshine in June:
8h and 6min
- Average sunshine in July:
8h and 12min - Average sunshine in August:
8h and 0min - Average sunshine in September:
7h and 18min - Average sunshine in October:
4h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is October (Average sunshine: 4h and 24min).
Average sunshine days
Colliston, United Kingdom
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
21 days - Average sunshine days in April:
21.3 days - Average sunshine days in May:
18.8 days - Average sunshine days in June:
16.4 days
- Average sunshine days in July:
15.8 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
18.9 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is April (21.3 days).
The month with the least sunshine days is August (15.7 days).
Average UV index
Colliston, United Kingdom
The months with the highest UV index are June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Colliston, United Kingdom
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility
Colliston, United Kingdom
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are June and July (9km).





