Climate and monthly weather forecastJohnstone, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Johnstone, United Kingdom, with temperature in the range of an average low of 1.4°C (34.5°F) and an average high of 4.9°C (40.8°F). January tends to be the coldest month, with temperatures averaging a daily high of 4.9°C (40.8°F) and a low of 1.4°C (34.5°F). Weather in January »Weather in February
February, the last month of the winter in Johnstone, is also an icy month, with an average temperature ranging between min 1.5°C (34.7°F) and max 5.6°C (42.1°F). Upon the onset of February, Johnstone witnesses an average high-temperature of a still cold 5.6°C (42.1°F), showing a close resemblance to the prior month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Johnstone, United Kingdom, with an average temperature ranging between min 2°C (35.6°F) and max 7.3°C (45.1°F). Johnstone observes an average high-temperature of a chilly 7.3°C (45.1°F) in March, barely different from 5.6°C (42.1°F) in February. Weather in March »Weather in April
April in Johnstone, United Kingdom, is a cool spring month, with an average temperature varying between 10.5°C (50.9°F) and 3.8°C (38.8°F). April's arrival is noted with a slight increase in the average high-temperature, moving from a frosty 7.3°C (45.1°F) in March to a cool 10.5°C (50.9°F). Weather in April »Weather in May
May, the last month of the spring in Johnstone, is another cool month, with an average temperature ranging between min 5.8°C (42.4°F) and max 12.9°C (55.2°F). Johnstone's transition from April to May introduces an average high-temperature of a still fresh 12.9°C (55.2°F), marking an insignificant variation from the 10.5°C (50.9°F). Weather in May »Weather in June
June, the first month of the summer in Johnstone, is a moderate month, with an average temperature ranging between max 15.6°C (60.1°F) and min 8.3°C (46.9°F). The onset of June brings an average high-temperature of a refreshing 15.6°C (60.1°F), nearly matching the May temperature. Weather in June »Weather in July
July is an enjoyable summer month in Johnstone, United Kingdom, with an average temperature ranging between max 16.7°C (62.1°F) and min 10.1°C (50.2°F). With its high average temperature of 16.7°C (62.1°F) and a low of 10.1°C (50.2°F), July is regarded as the warmest month. Weather in July »Weather in August
August, the last month of the summer in Johnstone, is also an enjoyable month, with an average temperature fluctuating between 9.8°C (49.6°F) and 16°C (60.8°F). The introduction of August notes a subtle temperature variation to a still comfortable 16°C (60.8°F) from July's 16.7°C (62.1°F). Weather in August »Weather in September
September, the first month of the autumn in Johnstone, is still a refreshing month, with temperature in the range of an average high of 14.2°C (57.6°F) and an average low of 8.5°C (47.3°F). As August turns into September, the average high-temperatures rest at a still refreshing 14.2°C (57.6°F), showing a minor variation from the prior month. Weather in September »Weather in October
October, like September, in Johnstone, United Kingdom, is another fresh autumn month, with an average temperature ranging between max 11.2°C (52.2°F) and min 6.5°C (43.7°F). The onset of October is marked by a minor decrease in temperature, transitioning from a refreshing 14.2°C (57.6°F) in September to a fresh 11.2°C (52.2°F). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Johnstone, United Kingdom, with temperature in the range of an average low of 3.7°C (38.7°F) and an average high of 7.5°C (45.5°F). Johnstone in November undergoes a slight reduction in the average high-temperature, shifting from October's fresh 11.2°C (52.2°F) to a frosty 7.5°C (45.5°F). Weather in November »Weather in December
December, the first month of the winter in Johnstone, is also a wintry month, with an average temperature fluctuating between 1.9°C (35.4°F) and 5.6°C (42.1°F). The average high-temperature is a cold 5.6°C (42.1°F) in December, hardly different from the 7.5°C (45.5°F) recorded in November. Weather in December »Updated: Feb 8, 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
In Johnstone, January records the average lowest temperatures, peaking at 4.9°C (40.8°F) and reaching a low of 1.4°C (34.5°F).
January, September through December, with an average relative humidity of 89%, are most humid months in Johnstone, United Kingdom.
In Johnstone, during the entire year, the rain falls for 259.2 days and collects up to 976mm (38.43") of precipitation.
Months with snowfall are January through April, November and December.
In Johnstone, United Kingdom, during the entire year, snow falls for 14.4 days and aggregates up to 160mm (6.3") of snow.
With an average maximum UV index of 1, January is the month with the lowest UV index in Johnstone, United Kingdom.
The month with the most snowfall is February, when snow falls for 4.2 days and typically aggregates up to 67mm (2.64") of snow.
With an average of 3.4h of sunshine, February has the least sunshine of the year in Johnstone, United Kingdom.
The months with the lowest humidity are April and May, with an average relative humidity of 83%.
April is the month with the least rainfall. Rain falls for 18.4 days and accumulates 44mm (1.73") of precipitation.
In Johnstone, United Kingdom, snow does not fall in May through October.
May through July, with an average maximum UV index of 4, are months with the highest UV index.
The month with the longest days is June, with an average of 17h and 30min of daylight.
The month with the most sunshine in Johnstone is June, with an average of 7.1h of sunshine.
July, with its high-temperature average of 16.7°C (62.1°F) and a low-temperature average of 10.1°C (50.2°F), is the warmest month in Johnstone.
August is the month with the most rainfall in Johnstone, United Kingdom. Rain falls for 26.5 days and accumulates 110mm (4.33") of precipitation.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Johnstone, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
With an average of 7h and 6min of daylight, December has the shortest days of the year.
Average temperature
Johnstone, United Kingdom
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (4.9°C).
The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure
Johnstone, United Kingdom
- Average pressure in January:
1008.8mbar - Average pressure in February:
1009mbar - Average pressure in March:
1012.5mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1015.3mbar - Average pressure in June:
1014.6mbar
- Average pressure in July:
1012.6mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1013.3mbar - Average pressure in October:
1011.5mbar - Average pressure in November:
1006.8mbar - Average pressure in December:
1008mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed
Johnstone, United Kingdom
- Average wind speed in January:
18.9km/h - Average wind speed in February:
18.2km/h - Average wind speed in March:
17.7km/h - Average wind speed in April:
15.2km/h - Average wind speed in May:
14.6km/h - Average wind speed in June:
12.2km/h
- Average wind speed in July:
12.2km/h - Average wind speed in August:
13.2km/h - Average wind speed in September:
14.4km/h - Average wind speed in October:
15.5km/h - Average wind speed in November:
16.2km/h - Average wind speed in December:
18.5km/h
The windiest month (with the highest average wind speed) is January (18.9km/h).
The calmest months (with the lowest average wind speed) are June and July (12.2km/h).
Average humidity
Johnstone, United Kingdom
The months with the highest relative humidity are January, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall
Johnstone, United Kingdom
The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the least rainfall) is April (44mm).
Average rainfall days
Johnstone, United Kingdom
- Average rainfall days in January:
20.9 days - Average rainfall days in February:
18.3 days - Average rainfall days in March:
19.6 days - Average rainfall days in April:
18.4 days - Average rainfall days in May:
21.5 days - Average rainfall days in June:
23.2 days
- Average rainfall days in July:
25.6 days - Average rainfall days in August:
26.5 days - Average rainfall days in September:
22.1 days - Average rainfall days in October:
21.3 days - Average rainfall days in November:
19.6 days - Average rainfall days in December:
22.2 days
The month with the highest number of rainy days is August (26.5 days).
The month with the least rainy days is February (18.3 days).
Average snowfall
Johnstone, United Kingdom
The month with the highest snowfall is February (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Johnstone, United Kingdom
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Johnstone, United Kingdom
- Average daylight in January:
7h and 48min - Average daylight in February:
9h and 36min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 12min - Average daylight in May:
16h and 18min - Average daylight in June:
17h and 30min
- Average daylight in July:
16h and 54min - Average daylight in August:
15h and 0min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 24min - Average daylight in November:
8h and 18min - Average daylight in December:
7h and 6min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 24min - Average sunshine in March:
4h and 36min - Average sunshine in April:
6h and 42min - Average sunshine in May:
6h and 36min - Average sunshine in June:
7h and 6min
- Average sunshine in July:
6h and 30min - Average sunshine in August:
5h and 48min - Average sunshine in September:
5h and 36min - Average sunshine in October:
3h and 42min - Average sunshine in November:
4h and 6min - Average sunshine in December:
3h and 30min
The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days
Johnstone, United Kingdom
- Average sunshine days in January:
6.6 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
9.2 days - Average sunshine days in May:
6.5 days - Average sunshine days in June:
4.1 days
- Average sunshine days in July:
3.2 days - Average sunshine days in August:
2.8 days - Average sunshine days in September:
5.8 days - Average sunshine days in October:
7.6 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
5.9 days
The month with the most sunshine days is April (9.2 days).
The month with the least sunshine days is August (2.8 days).
Average UV index
Johnstone, United Kingdom
The months with the highest UV index are May, June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Johnstone, United Kingdom
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility
Johnstone, United Kingdom
The months with the highest visibility are February, March, April, May and November (9km).
The months with the lowest visibility are January, June, July, August, September, October and December (8km).
