August Weather in Selsey, United Kingdom

Last updated: March 17, 2025

In August, Selsey, United Kingdom, experiences a delightful climate characterized by a maximum temperature of 25°C (77°F), providing warm and pleasant days perfect for outdoor activities. The average temperature hovers around 18°C (64°F), while the nights are cooler, with minimums dipping to 12°C (53°F). Despite the warmth, residents and visitors should be prepared for occasional rainfall, as approximately 83 mm (3.3 in) of precipitation falls over 12 days throughout the month. With a humidity level of 76%, the air feels comfortably fresh, making August an appealing time to explore the beauty of this charming coastal town.

August Temperature in Selsey

In August, Selsey enjoys some of its warmest temperatures of the year, with minimums averaging 12°C (53°F) and maximums reaching up to 25°C (77°F). This month sees a delightful rise in warmth compared to the earlier months, particularly when juxtaposed with the chill of January, where temperatures can dip as low as 1°C (33°F). The average temperature settles comfortably at 18°C (64°F), making August the perfect time for outdoor activities and soaking up the sun. As summer peaks, residents and visitors alike can relish in the vibrant warmth, providing a pleasant transition to the cooler days of September. Overall, August stands out as a month of warmth and vitality in Selsey.

August Weather in Selsey: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Selsey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444546495460646461575147
Data source: Temperature data for Selsey generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Selsey

In August, Selsey experiences a noteworthy uptick in precipitation, with rainfall amounting to 83 mm (3.3 in) over 12 days. This marks a slight increase compared to the previous month, highlighting a trend of elevated summer rainfall that often characterizes this coastal town. While June and July saw more moderate totals of 70 mm (2.8 in) and 59 mm (2.3 in) respectively, August's precipitation sets the stage for a wetter autumn ahead. As this month wraps up, residents and visitors alike can expect the lush landscapes of Selsey to thrive, rejuvenated by the invigorating summer rains.

August Precipitation Trends in Selsey

The chart displays monthly precipitation patterns in Selsey, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec75827331517159836112698131
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Selsey

In August, Selsey, United Kingdom, experiences a noticeable shift in humidity, averaging around 76%. This marks a decline from the peak levels of previous months, notably 71% in July, signaling the waning of the summer heat. As the air gets slightly crispier, the humidity levels remain higher than spring, suggesting a lingering moisture in the atmosphere. This pattern illustrates a transitional phase as Selsey steers toward autumn, where humidity levels are likely to rise again in September, reaching 82%. The overall trend shows a summer dip before the humidity begins to climb, setting the stage for the cooler, wetter months ahead.

August Average Humidity in Selsey

This chart illustrates the average monthly humidity levels in Selsey, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Selsey

In August, Selsey experiences a UV Index of 7, classified as high, with a burn time of 25 minutes. This marks a slight decrease from the peak index of 8 in the previous months of June and July, illustrating the gradual transition into late summer. The trend shows that as the year progresses, the UV Index fluctuates, beginning with low levels in winter and peaking around midsummer, with August still retaining significant intensity. As the sun remains strong, it's essential to take precautions to protect your skin during those sunny days. For more detailed information, visit Selsey UV Index.

Maximum UV Index Levels in Selsey for August

The chart shows the monthly maximum UV Index (UVI) for Selsey in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Selsey August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Selsey

In August, Selsey enjoys a delightful continuation of summer with 387 hours of sunshine, maintaining its status as a bright month though slightly dipped from the peak in July, which boasted 424 hours. As the warmth of summer lingers, this period reflects the gradual decline of sunny days, a trend observable as the season transitions into autumn. This month serves as a bridge, connecting the vibrant brightness of summer to the mellow hues of fall. The sunshine hours contribute not only to the charm of this seaside town but also invite locals and visitors alike to savor outdoor activities before the shorter days set in during September, which sees a notable drop to 322 hours. The overall pattern showcases Selsey as a sun-kissed retreat, particularly in the heart of summer, making August a season to relish before the days grow cooler and shorter.

Monthly Sunshine Duration in Selsey: August Highlighted

The August sunshine duration represents the total number of hours Selsey experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec105h151h226h346h415h410h424h387h322h254h161h120h
Data source: Selsey August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Selsey During August

In Selsey, United Kingdom, August brings a moderate 35% chance of sunny weather, offering a pleasant reprieve from the summer heat. This likelihood reflects a slight dip from the sunny peaks seen in April and July, which boast much higher probabilities of 58% and 43%, respectively. While August may not be the sunniest month of the year, it still provides ample opportunities for enjoying the outdoors, especially when compared to the drearier winter months. As the summer wanes, residents and visitors can still relish those golden rays before autumn settles in, making August a delightful if unpredictable month for sun-seekers.

Percentage of Sunny Days in August in Selsey

The chart illustrates the percentage of sunny days in Selsey throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Selsey experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%26%40%58%42%31%43%35%37%31%38%21%
Data source: Selsey August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Selsey in August

In August, Selsey enjoys a robust 14 hours of daylight, marking a gentle decline from the peak summer brightness of 16 hours in June. This transition reflects the gradual fade of long summer days, easing into the shorter, cozy evenings of autumn. As the sunlight dims, the month of August still offers plenty of time for outdoor adventures and late-night barbecues, with daylight remaining generously above the 12 hours that will characterize September. The pattern of daylight duration throughout the year highlights a vibrant spring and summer, with each month showcasing a gradual increase until the solstice, followed by a serene tapering as the year wanes.

Average Daylight Hours in Selsey for August

The chart illustrates the variation in daylight duration in Selsey throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 38m8h 55m8h
Data source: Selsey daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Selsey

In August, the seaside town of Selsey experiences a gentle breeze, with an average wind speed of 5.8 m/s (13 mph). This month typically sees a slight uptick in wind compared to the calmer summer months of June and July, where winds dipped to 4.3 m/s (10 mph) and 5.0 m/s (11 mph), respectively. As the season transitions towards autumn, August's wind speed remains moderate, contributing to pleasant outdoor conditions perfect for kite flying or leisurely strolls along the beach. Interestingly, this month lies between the higher gusts of early winter, which can peak at 7.1 m/s (16 mph) in January, and the gentle breezes of late summer, setting the stage for the upcoming seasonal shifts.

Average August Wind Speed in Selsey

The chart displays monthly wind speed patterns in Selsey, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.17.56.25.26.54.35.05.8 m/s5.26.85.97.0
Data source: Selsey August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Selsey Compares to Other Months

The weather in Selsey changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Selsey and find detailed weather information for every month.

August and January present notably different weather patterns. In August, temperatures range from a minimum of 12°C (53°F) to a pleasant average of 18°C (64°F), reaching up to a maximum of 25°C (77°F). The month sees approximately 83 mm (3.3 in) of precipitation spread over 12 days, with humidity levels around 76%, creating a warm and relatively humid atmosphere.

In contrast, January is much cooler, with temperatures dipping to a minimum of 1°C (33°F) and averaging 7°C (44°F), peaking at just 13°C (55°F). Precipitation is slightly lower at 75 mm (2.9 in) over the same number of rainy days, but humidity is higher at 91%, leading to a noticeably chillier and damp winter climate. For more detailed insights, you can check Selsey weather in January.

August and February present contrasting weather patterns, showcasing the transition from warm summer days to the chill of winter. In August, temperatures range from a minimum of 12°C (53°F) to a maximum of 25°C (77°F), with an average of 18°C (64°F). The month sees about 83 mm (3.3 in) of precipitation, distributed over approximately 12 days, and typically carries a humidity level of 76%. In stark contrast, February experiences much cooler conditions, with temperatures dipping as low as -2°C (29°F) and peaking at only 12°C (54°F), averaging around 7°C (45°F). Precipitation remains similar at 82 mm (3.2 in) but occurs over slightly more days (13), coupled with higher humidity levels of 89%. For more detailed information, you can visit Selsey weather in February.

August weather is typically much warmer than March, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (77°F). In contrast, March sees chillier conditions, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 13°C (56°F). While August experiences significant humidity at 76% and receives about 83 mm of precipitation over around 12 days, March is slightly wetter with 73 mm of rain over 14 days and higher humidity at 86%. For those interested in the specifics of March weather in Selsey, you can find more details here: Selsey weather in March.

When comparing the weather in August and April, it is evident that August experiences significantly warmer temperatures, with an average of 18°C (64°F) and highs reaching up to 25°C (77°F), in contrast to April's cooler average of 9°C (49°F) and a maximum of 17°C (62°F). Precipitation is also markedly higher in August, totaling 83 mm (3.3 in) over approximately 12 days, compared to just 31 mm (1.2 in) over 6 days in April. Interestingly, while humidity levels remain relatively high in both months, April has a slightly higher humidity at 85%, compared to 76% in August. For more detailed insights, you can check Selsey weather in April.

When comparing the weather in August and May, it's evident that August tends to be warmer and slightly more humid. In August, temperatures range from a minimum of 12°C (53°F) to a maximum of 25°C (77°F), with an average of 18°C (64°F). This month also sees more precipitation, with 83 mm (3.3 in) falling over 12 days. In contrast, May experiences cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 20°C (68°F), averaging 12°C (54°F). Precipitation in May is lower, at 51 mm (2.0 in) over 10 days, although humidity is slightly higher at 79%. For more detailed information, you can check Selsey weather in May.

When comparing the weather in August and June, August tends to be slightly warmer with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (77°F), compared to June's range of 10°C (50°F) to 22°C (72°F). Additionally, August experiences more rainfall, totaling 83 mm (3.3 in) over approximately 12 days, while June sees 70 mm (2.8 in) over about 9 days. Humidity levels are also high in both months, with August at 76% and June at 80%. Overall, August offers warmer temperatures but slightly more precipitation than June, making for a more humid climate overall. For more detailed weather information, check Selsey weather in June.

In comparing the weather patterns of July and August, August tends to be slightly warmer, with a minimum temperature of 12°C (53°F) and a maximum of 25°C (77°F), while July sees temperatures ranging from a minimum of 13°C (55°F) to a maximum of 23°C (74°F). Both months share an average temperature of 18°C (64°F). However, August experiences more precipitation, totaling 83 mm (3.3 in) over 12 days, compared to July's 59 mm (2.3 in) across 11 days. Additionally, humidity is higher in August at 76%, compared to July's 71%. For a detailed look at July's weather, visit Selsey weather in July.

August typically presents warmer weather compared to September, with temperatures averaging around 18°C (64°F) and reaching highs of 25°C (77°F). In contrast, September sees a drop in average temperatures to 16°C (62°F), with maximums of 23°C (74°F). Precipitation levels also differ, as August experiences 83 mm (3.3 in) over 12 days, whereas September records 61 mm (2.4 in) across 10 days, suggesting a slight reduction in rain. Humidity is slightly higher in September at 82%, compared to 76% in August. For more detailed insights, you can visit Selsey weather in September.

August typically boasts milder weather with average temperatures ranging from 12°C (53°F) at night to a comfortable 25°C (77°F) during the day. This month experiences around 83 mm (3.3 in) of precipitation across approximately 12 days, combined with a humidity level of 76%. In contrast, October brings a noticeable drop in temperatures, averaging 14°C (57°F) and peaking at 20°C (68°F). Additionally, it sees increased rainfall, with 126 mm (5.0 in) accumulated over 16 days and humidity rising to 90%. For more detailed insights, you can visit Selsey weather in October.

In August, the weather tends to be milder, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (77°F) and an average of 18°C (64°F). The month sees around 83 mm (3.3 in) of precipitation over 12 days, accompanied by a moderate humidity level of 76%. In contrast, November brings cooler conditions, featuring temperatures that dip to a minimum of 2°C (35°F) and peak at 16°C (61°F), with an average temperature of 10°C (51°F). Precipitation increases to 98 mm (3.9 in) over 16 days, and humidity reaches a higher level at 92%. For more details on this month's climate, visit Selsey weather in November.

August and December exhibit striking differences in weather patterns. In August, temperatures range from a mild 12°C (53°F) to a warm 25°C (77°F), with an average of 18°C (64°F). This month also sees approximately 83 mm (3.3 in) of precipitation over about 12 days, along with a moderate humidity level of 76%. In contrast, December experiences much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 13°C (56°F), averaging just 8°C (47°F). Precipitation increases significantly to 131 mm (5.2 in) across 17 days, paired with a higher humidity of 92%. For a more detailed overview, you can check Selsey weather in December.

Compare Selsey's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Selsey

August in Selsey brings a delightful warmth, with average temperatures that linger around a pleasant 18°C (64°F), peaking at a maximum of 25°C (77°F). This month marks a unique shift, as the summer gradually transitions into early autumn, providing a balance of warm days and the occasional refreshing drizzle—with 12 days of precipitation totaling 83 mm (3.3 in). The 76% humidity adds a balmy feel to the air, making August distinctively vibrant compared to other months. It's an excellent time to enjoy outdoor activities while being prepared for the occasional rain. For more detailed insights, check out Selsey Climate.