Climate and monthly weather forecastBrighton, United Kingdom

Climate and monthly weather forecast
The climate of Brighton
Situated on the south coast of England, Brighton falls into the Cfb climate classification according to the Köppen climate system, indicating a marine west coast climate with warm summers. This coastal city experiences humid conditions throughout the year with relative humidity hovering in the range from 79% to 85%.Across the year, temperature variation is relatively moderate in Brighton; high temperatures steadily increase from 7.5°C (45.5°F) in January to a warm peak at 19.7°C (67.5°F) in August, and low temperatures rise progressively from 4.3°C (39.7°F) to 14.5°C (58.1°F) over the same period. Snowfall is uncommon with a negligible 2mm (0.08") in March to a slight peak of 8mm (0.31") in January. Rainfall patterns show a marked transition from 44mm (1.73") in January to a low of 23mm (0.91") in April, then climbing to the year’s peak at 59mm (2.32") in November and December.
Winds reach their greatest speed from November to January, with averages of 23.3km/h (14.5mph) to 24.6km/h (15.3mph), while the quietest period is from May to August with a lower range of 16.8km/h (10.4mph) to 17.2km/h (10.7mph). Sunshine hours also fluctuate across the year, from 4.1 hours per day in November to a daily zenith of 9.3 hours in July.
The best time to visit Brighton
The most favourable time to visit Brighton is in the warmer months, when temperatures are at their zenith and the amount of sunshine is maximized. Ideally, from late spring to early autumn - that is, from May to September - when sea temperatures climb from 11.5°C (52.7°F) to 17.3°C (63.1°F), creating welcoming conditions for water activities. During this period, daylight hours also peak at 16.4 hours in June, ensuring lengthy days for sightseeing and relaxation.The worst time to visit Brighton
Brighton is least attractive to visitors during late autumn and winter, primarily from November to January, when the city endures its heaviest rainfall, plummeting temperatures, and brief daylight hours. With the advent of winter, sea temperatures also drop sharply to 9.3°C (48.7°F) in January, discouraging beach-related activities.Spring weather in Brighton
Spring in Brighton, running from March to May, ushers in warmer weather with high temperatures ramping up from 9.5°C (49.1°F) to 14.5°C (58.1°F) and low temperatures from 4.9°C (40.8°F) to 9°C (48.2°F). Rainfall decreases from 31mm (1.22") in March to a yearly low of 23mm (0.91") in April before going up slightly to 31mm (1.22") in May. Wind speed drops steadily from 21.4km/h (13.3mph) in March to 17.2km/h (10.7mph) in May, making it more enjoyable to explore the outdoors.Summer weather in Brighton
Summer in Brighton spans from June to August, featuring the highest temperatures and longest sunlit days. High temperatures escalate from 17.3°C (63.1°F) to 19.7°C (67.5°F) while lows rise from 11.6°C (52.9°F) to 14.5°C (58.1°F). Rainfall remains stable at around 36mm (1.42") and sea temperatures range from 13.7°C (56.7°F) to 16.9°C (62.4°F), offering ideal conditions for water sports.Autumn weather in Brighton
During autumn, from September to November, Brighton experiences a roll back in temperatures and an increase in rainfall. High temperatures drop to 11.2°C (52.2°F) by November, while low temperatures simmer down to 8°C (46.4°F). Rainfall hits an annual peak in November with 59mm (2.32") and sea temperatures fall to 14.7°C (58.5°F).Winter weather in Brighton
Winter weather in Brighton encompasses December to February, with temperatures reaching their lowest and daylight hours pared back to between 8 to 10.1 hours. Rainfall and snowfall rise to yearly highs of 59mm (2.32") and 8mm (0.31") respectively in December, and sea temperatures descend to a chilly 8.8°C (47.8°F) by February. Wind speeds accelerate from 20.7km/h (12.9mph) in December to 23.8km/h (14.8mph) in February, adding to the crisp winter air.Weather in January
When considering the weather in Brighton, United Kingdom, January shows some diverse patterns. Although not the coldest, January is certainly not inviting for outdoor activities, as it tends to be quite chilly. Adding to the chill, Brighton experiences an intermittent rainfall with 44mm (1.73") falling over about 16.9 days. Weather in January »Weather in February
Rolling into February, Brighton gets a slight relief from the January chill. However, do not stow the warm clothes away just yet. The modest increase in temperature is accompanied by a decrease in rainfall to 40mm (1.57") that spreads across fewer days than January. Weather in February »Weather in March
When March arrives in Brighton, the weather starts to show signs of an approaching spring. March is warmer than February and also drier. The rainfall decreases to 31mm (1.22") which is the lowest in a three-month period between January and March. Weather in March »Weather in April
Indeed, April is a pleasant month for Brighton, as spring truly starts to reveal itself. The weather gets noticeably warmer, and the town begins to come back to life. However, despite the improving conditions, sea temperatures remain too low to encourage swimming. Weather in April »Weather in May
As May rolls in, Brighton embarks on a period of delightful weather. May presents the perfect conditions for enjoying the city's outdoor adventures, from strolling in gardens to exploring the cultural sites. The city comes into full bloom, and the increase in daylight hours allows more time to explore the city. Weather in May »Weather in June
June delivers true summer weather in Brighton. With warmer temperatures compared to May, Brighton starts to fill with tourists drawn by the appealing weather. The increase in temperature is not quite extreme, but it is sufficient to trigger a beach frenzy. Weather in June »Weather in July
July is the peak of summer and comes with a series of exciting changes. In Brighton, this month is notably the warmest with high temperatures rising to its peak at 19.5°C (67.1°F). The sea becomes incredibly alluring as temperatures rise to 15.5°C (59.9°F), causing an influx of beachgoers. Weather in July »Weather in August
Following the trend of summer, August continues to deliver warm temperatures, almost equalling those of July. Still, the weather remains agreeable for outdoor events and activities. The sea yields an enticing warmth amidst a drop in rainfall and a consecutive decrease in day length. Weather in August »Weather in September
September marks the beginning of a transition as summer surrenders to the touch of autumn in Brighton. While the warmth of summer still lingers, temperatures begin to cool noticeably as the month progresses. The land slowly morphs with golden hues of fall, signaling the end of beach season. Weather in September »Weather in October
October introduces the town of Brighton to a full taste of autumn as temperatures continue to fall from September. The change in season is marked by a considerably high level of rainfall of 44mm (1.73") across 15.8 days. The copious showers are somewhat mitigated by the vibrant fall colors that paint the city. Weather in October »Weather in November
November brings with it a significant drop in temperature, indicating the nearing of winter in Brighton. This makes it one of the colder months of the year. The city is dominated by cloudy skies as the daylight draws shorter. Rainfall levels rise dramatically to the highest mark of the year at 59mm (2.32"), making this the wettest month. Weather in November »Weather in December
Finally, December welcomes the onset of winter with frosty temperatures. Snowfall becomes a common occurrence, albeit with only 5mm (0.2") of snow over 0.9 days. The cold penetrates the sea as well, bringing down its temperature significantly. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Brighton, United Kingdom
The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.5°C).
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure
Brighton, United Kingdom
- Average pressure in January:
1015.2mbar - Average pressure in February:
1014.4mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1017mbar - Average pressure in June:
1016.5mbar
- Average pressure in July:
1015.9mbar - Average pressure in August:
1015.5mbar - Average pressure in September:
1017.3mbar - Average pressure in October:
1015.5mbar - Average pressure in November:
1011mbar - Average pressure in December:
1015.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed
Brighton, United Kingdom
- Average wind speed in January:
23.2km/h - Average wind speed in February:
23.8km/h - Average wind speed in March:
21.4km/h - Average wind speed in April:
17.3km/h - Average wind speed in May:
17.2km/h - Average wind speed in June:
17.1km/h
- Average wind speed in July:
16.8km/h - Average wind speed in August:
17.2km/h - Average wind speed in September:
18.1km/h - Average wind speed in October:
20.7km/h - Average wind speed in November:
23.3km/h - Average wind speed in December:
24.6km/h
The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).
Average humidity
Brighton, United Kingdom
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall
Brighton, United Kingdom
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days
Brighton, United Kingdom
- Average rainfall days in January:
16.9 days - Average rainfall days in February:
14.6 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
15.8 days - Average rainfall days in November:
18.5 days - Average rainfall days in December:
17.2 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).
Average snowfall
Brighton, United Kingdom
The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Brighton, United Kingdom
- Average snowfall days in January:
1.7 days - Average snowfall days in February:
1.7 days - Average snowfall days in March:
0.6 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:
0.9 days
The months with the highest number of snowfall days are January and February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Brighton, United Kingdom
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight / Average sunshine
Brighton, United Kingdom
- Average daylight in January:
8h and 30min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 30min - Average daylight in June:
16h and 24min
- 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:
9h and 0min - Average daylight in December:
8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January:
4h and 12min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 48min - Average sunshine in May:
8h and 36min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 6min - Average sunshine in September:
8h and 18min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 6min - Average sunshine in December:
4h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days
Brighton, United Kingdom
- Average sunshine days in January:
10.1 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
13.5 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
11.3 days - Average sunshine days in November:
8.2 days - Average sunshine days in December:
9.8 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is November (8.2 days).
Average UV index
Brighton, United Kingdom
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover
Brighton, United Kingdom
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility
Brighton, United Kingdom
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).





