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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Portrush, United Kingdom, is a frosty winter month, with an average temperature varying between 4.3°C (39.7°F) and 7.1°C (44.8°F). January is the month when Portrush experiences its coldest temperatures, averaging a high of 7.1°C (44.8°F) and a low of 4.3°C (39.7°F). Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Portrush, United Kingdom, with temperature in the range of an average low of 4°C (39.2°F) and an average high of 7.2°C (45°F). The shift into February records an average high-temperature of a still frosty 7.2°C (45°F), subtly varied from January's 7.1°C (44.8°F). Weather in February »
Weather in March
March, the first month of the spring in Portrush, is still a chilly month, with temperature in the range of an average high of 8.6°C (47.5°F) and an average low of 4.4°C (39.9°F). March denotes a minimal variation in the average high-temperature to a still frosty 8.6°C (47.5°F) from February's 7.2°C (45°F). Weather in March »
Weather in April
April in Portrush, United Kingdom, is a fresh spring month, with an average temperature fluctuating between 10.3°C (50.5°F) and 5.7°C (42.3°F). The commencement of April brings an average high-temperature of a cool 10.3°C (50.5°F), marking an inconsequential divergence from March. Weather in April »
Weather in May
The last month of the spring, May, is also a fresh month in Portrush, United Kingdom, with an average temperature fluctuating between 7.7°C (45.9°F) and 12.5°C (54.5°F). The beginning of May reveals an average high-temperature of a still fresh 12.5°C (54.5°F), showing minimal deviation from the previous month. Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Portrush, United Kingdom, with an average temperature fluctuating between 14.9°C (58.8°F) and 10°C (50°F). Entering June, the average high-temperature is recorded at a mild 14.9°C (58.8°F), exhibiting a minimal shift from May's 12.5°C (54.5°F). Weather in June »
Weather in July
July is an enjoyable summer month in Portrush, United Kingdom, with temperature in the range of an average high of 16°C (60.8°F) and an average low of 11.7°C (53.1°F). Temperature records mark July as the warmest month, with highs averaging 16°C (60.8°F) and lows at 11.7°C (53.1°F). Weather in July »
Weather in August
The last month of the summer, August, is another refreshing month in Portrush, United Kingdom, with temperature in the range of an average high of 15.9°C (60.6°F) and an average low of 11.8°C (53.2°F). With the advent of August, Portrush experiences an average high-temperature of a still refreshing 15.9°C (60.6°F), mirroring a close resemblance to the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Portrush, is still a mild month, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 10.7°C (51.3°F). September's beginning signals an average high-temperature of a still mild 14.7°C (58.5°F), barely different from August's 15.9°C (60.6°F). Weather in September »
Weather in October
October, like September, in Portrush, United Kingdom, is another fresh autumn month, with an average temperature varying between 9°C (48.2°F) and 12.5°C (54.5°F). Entering October, Portrush's average high-temperature reads a fresh 12.5°C (54.5°F), indicating a close resemblance to the previous month's climate. Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Portrush, United Kingdom, with an average temperature fluctuating between 9.3°C (48.7°F) and 6.4°C (43.5°F). The arrival of November corresponds with a minor reduction in the average high-temperature, down from October's cool 12.5°C (54.5°F) to a frosty 9.3°C (48.7°F). Weather in November »
Weather in December
December, the first month of the winter in Portrush, is still a chilly month, with an average temperature ranging between max 7.5°C (45.5°F) and min 4.7°C (40.5°F). Portrush marks the arrival of December with an average high-temperature of a still chilly 7.5°C (45.5°F), hardly different from November's 9.3°C (48.7°F). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Portrush?
January, marked by an average high-temperature of 7.1°C (44.8°F) and a low-temperature of 4.3°C (39.7°F), is the coldest month in Portrush, United Kingdom.
How many days does it rain in Portrush?
In Portrush, United Kingdom, during the entire year, the rain falls for 238.3 days and collects up to 632mm (24.88") of precipitation.
When does it snow in Portrush?
Months with snowfall in Portrush, United Kingdom, are January through April, November and December.
How many days does it snow in Portrush?
In Portrush, during the entire year, snow falls for 8 days and aggregates up to 47mm (1.85") of snow.
What is the month with the least sunshine in Portrush?
With an average of 3.8h of sunshine, January has the least sunshine of the year in Portrush, United Kingdom.
When is the lowest UV index in Portrush?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month in Portrush?
February is the month with the most snowfall. Snow falls for 2.5 days and accumulates 16mm (0.63") of snow.
When is the sea coldest in Portrush?
March is the month with the coldest seawater, with an average sea temperature of 8.3°C (46.9°F).
What is the least humid month in Portrush?
April is the least humid month, with an average relative humidity of 81%.
What is the driest month in Portrush?
April is the month with the least rainfall in Portrush. Rain falls for 16.8 days and accumulates 35mm (1.38") of precipitation.
When it does not snow in Portrush?
In Portrush, United Kingdom, snow does not fall in May through October.
When is the highest UV index in Portrush?
The months with the highest UV index are May, June, August and September, with an average maximum UV index of 4.
When are the longest days in Portrush?
With an average of 17h and 18min of daylight, June has the longest days of the year in Portrush, United Kingdom.
What month has the most sunshine in Portrush?
The month with the most sunshine in Portrush is June, with an average of 8h of sunshine.
What month is the hottest in Portrush?
July, marked by an average high-temperature of 16°C (60.8°F) and a low-temperature of 11.7°C (53.1°F), is the warmest month in Portrush.
What are the most humid months in Portrush?
The months with the highest humidity in Portrush, United Kingdom, are July and August, with an average relative humidity of 86%.
What is the rainiest month in Portrush?
The wettest months are July and August, with an average 74mm (2.91") of rainfall.
What month is the sea warmest in Portrush?
The month with the warmest seawater in Portrush, United Kingdom, is August, with an average sea temperature of 14.3°C (57.7°F).
When is Daylight Saving Time (DST) in Portrush?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Portrush, 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.
What is the month with the shortest days in Portrush?
With an average of 7h and 12min of daylight, December has the shortest days of the year in Portrush.
Average temperature
Portrush, United Kingdom
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (7.1°C).
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (4°C).
Average pressure
Portrush, United Kingdom
- Average pressure in January:
1008.9mbar - Average pressure in February:
1008.9mbar - Average pressure in March:
1012.6mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1015.2mbar - Average pressure in June:
1014.7mbar
- Average pressure in July:
1012.8mbar - Average pressure in August:
1011.2mbar - Average pressure in September:
1013.5mbar - Average pressure in October:
1011.2mbar - Average pressure in November:
1006.6mbar - Average pressure in December:
1008.2mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed
Portrush, United Kingdom
- Average wind speed in January:
27.5km/h - Average wind speed in February:
26km/h - Average wind speed in March:
24km/h - Average wind speed in April:
20.2km/h - Average wind speed in May:
19.5km/h - Average wind speed in June:
16.8km/h
- Average wind speed in July:
16.7km/h - Average wind speed in August:
18.4km/h - Average wind speed in September:
21.1km/h - Average wind speed in October:
23.2km/h - Average wind speed in November:
24.8km/h - Average wind speed in December:
27km/h
The windiest month (with the highest average wind speed) is January (27.5km/h).
The calmest month (with the lowest average wind speed) is July (16.7km/h).
Average humidity
Portrush, United Kingdom
The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall
Portrush, United Kingdom
The wettest months (with the highest rainfall) are July and August (74mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days
Portrush, United Kingdom
- Average rainfall days in January:
20.3 days - Average rainfall days in February:
17.2 days - Average rainfall days in March:
18.9 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
20.6 days
- Average rainfall days in July:
22.6 days - Average rainfall days in August:
24 days - Average rainfall days in September:
19.6 days - Average rainfall days in October:
19.1 days - Average rainfall days in November:
19.7 days - Average rainfall days in December:
20.9 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is April (16.8 days).
Average snowfall
Portrush, United Kingdom
The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Portrush, United Kingdom
- Average snowfall days in January:
2.2 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.3 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:
0.4 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 sea temperature
Portrush, United Kingdom
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight / Average sunshine
Portrush, United Kingdom
- Average daylight in January:
7h and 5min - Average daylight in February:
9h and 4min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 1min - Average daylight in May:
16h and 1min - Average daylight in June:
17h and 2min
- Average daylight in July:
16h and 5min - Average daylight in August:
14h and 5min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 3min - Average daylight in November:
8h and 2min - Average daylight in December:
7h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 0min - Average sunshine in April:
7h and 2min - Average sunshine in May:
7h and 1min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
7h and 0min - Average sunshine in August:
6h and 3min - Average sunshine in September:
6h and 0min - Average sunshine in October:
3h and 5min - Average sunshine in November:
3h and 5min - Average sunshine in December:
4h and 0min
The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Portrush, United Kingdom
- Average sunshine days in January:
7.5 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
8.3 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
8.3 days - Average sunshine days in June:
6.1 days
- Average sunshine days in July:
5.3 days - Average sunshine days in August:
4.2 days - Average sunshine days in September:
6.3 days - Average sunshine days in October:
8.3 days - Average sunshine days in November:
6.4 days - Average sunshine days in December:
6.2 days
The month with the most sunshine days is April (9.8 days).
The month with the least sunshine days is August (4.2 days).
Average UV index
Portrush, United Kingdom
The months with the highest UV index are May, June, 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
Portrush, United Kingdom
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility
Portrush, United Kingdom
The month with the highest visibility is November (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
Portrush, United Kingdom
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