Jameston, United Kingdom experiences average highs of 13°C (55°F) and lows of 10°C (50°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Jameston, United Kingdom Weather & Climate 2026
Monthly climate averages for Jameston, United Kingdom. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Aug 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.6/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 13°C / 10°C
Feels Like 10°C / 6°C
Rainy Days 14
Rainfall 98 mm
Sunshine 8 h
Humidity 81%
Wind Speed 28 km/h
Dew Point 8°C
Snow Days 1 days
Frost Days 1 days
Hottest Month
18°C
August
Avg Low15°C
Rain13days
Coldest Month
6°C
January
Avg High8°C
Rain14days
Driest Month
10days
May
Avg High14°C
Avg Low10°C
Windiest Month
34 km/h
February (Gusts 57)
Sea Temperature
8°C – 18°C
Warmest water: August (
17.8°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:02
Daylight 16.6h
Sunset 21:40
Live conditions—
Jameston on the map · live conditions
Jameston, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Jameston
- Population
- 634
- Coordinates
- 51.66°, -4.81°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 8°C
Rain 12 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 18°C
Avg Low 14°C
Rain 13 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 11°C
Rain 16 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 9°C
Avg Low 6°C
Rain 15 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 8°C / 6°C . Feb: 9°C / 6°C . Mar: 9°C / 6°C . Apr: 11°C / 7°C . May: 14°C / 10°C . Jun: 17°C / 13°C . Jul: 18°C / 14°C . Aug: 18°C / 15°C . Sep: 17°C / 14°C . Oct: 14°C / 11°C . Nov: 11°C / 9°C . Dec: 10°C / 7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 103 mm. Feb: 93 mm. Mar: 94 mm. Apr: 66 mm. May: 60 mm. Jun: 72 mm. Jul: 69 mm. Aug: 88 mm. Sep: 121 mm. Oct: 134 mm. Nov: 131 mm. Dec: 141 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 81%. Mar: 81%. Apr: 79%. May: 80%. Jun: 81%. Jul: 81%. Aug: 81%. Sep: 81%. Oct: 81%. Nov: 81%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 31 km/h . Feb: 34 km/h . Mar: 29 km/h . Apr: 25 km/h . May: 23 km/h . Jun: 24 km/h . Jul: 24 km/h . Aug: 26 km/h . Sep: 28 km/h . Oct: 30 km/h . Nov: 32 km/h . Dec: 33 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 6h. Mar: 8h. Apr: 10h. May: 12h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 8h. Oct: 6h. Nov: 5h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 9°C . Feb: 8°C . Mar: 9°C . Apr: 10°C . May: 13°C . Jun: 16°C . Jul: 17°C . Aug: 18°C . Sep: 17°C . Oct: 16°C . Nov: 13°C . Dec: 11°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 2. Nov: UV 1. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 1 days. Mar: 1 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending wetter by about 33 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 19°C | Aug · 18°C |
| Coldest month | Jan 2025 · 5°C | Jan · 6°C |
| Wettest month | Nov 2025 · 218 mm | Dec · 141 mm |
| Windiest month | Nov 2025 · 35 km/h | Feb · 34 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Fair June best
Good July best
Excellent August best
Excellent September best
Fair October
Poor November
Wet December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 6°C | 4°C / 1°C | 14days (103 mm) Wet | 4.1h Fair | 82% Humid | 1.1 Low | Poor | View Details |
| February | 9°C / 6°C | 4°C / 0°C | 13days (93 mm) Wet | 5.5h Fair | 81% Humid | 1.6 Low | Poor | View Details |
| March | 9°C / 6°C | 5°C / 1°C | 15days (94 mm) Wet | 7.6h Good | 81% Humid | 3.3 Moderate | Poor | View Details |
| April | 11°C / 7°C | 8°C / 3°C | 11days (66 mm) Wet | 10h Excellent | 79% Humid | 4.5 Moderate | Fair | View Details |
| May best | 14°C / 10°C | 12°C / 7°C | 10days (60 mm) Wet | 11.6h Excellent | 80% Humid | 5.7 High | Fair | View Details |
| June best | 17°C / 13°C | 16°C / 10°C | 13days (72 mm) Wet | 11.8h Excellent | 81% Humid | 6.4 High | Good | View Details |
| July best | 18°C / 14°C | 17°C / 13°C | 12days (69 mm) Wet | 11.5h Excellent | 81% Humid | 5.8 High | Excellent | View Details |
| August best | 18°C / 15°C | 17°C / 13°C | 13days (88 mm) Wet | 10.5h Excellent | 81% Humid | 5.3 High | Excellent | View Details |
| September best | 17°C / 14°C | 15°C / 11°C | 15days (121 mm) Wet | 8.1h Good | 81% Humid | 3.7 Moderate | Fair | View Details |
| October | 14°C / 11°C | 11°C / 8°C | 16days (134 mm) Wet | 6.3h Fair | 81% Humid | 2.4 Moderate | Poor | View Details |
| November | 11°C / 9°C | 8°C / 4°C | 18days (131 mm) Wet | 4.5h Fair | 81% Humid | 1.2 Low | Wet | View Details |
| December | 10°C / 7°C | 6°C / 2°C | 17days (141 mm) Wet | 3.4h Poor | 83% Humid | 0.8 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Jameston are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Jameston, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Jameston is August, with average daytime highs of 18°C (65°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Jameston is January, with average overnight lows of 6°C (42°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Jameston is December, averaging 141mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Jameston runs through November, December, October, March, with the heaviest rainfall in November. Based on 10-year averages for Jameston.
Jameston receives approximately 95 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Jameston.
The least favorable months to visit Jameston are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Jameston is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Jameston is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 13°C (55°F), which most swimmers will find too cold without a wetsuit.
Yes, Jameston receives snow. Months with snowfall average 1 snow days and 1 cm (0 in) of accumulation, with about 1 frost days during winter.
Average wind speeds in Jameston are 28 km/h (17 mph). The windiest month is February with peak winds reaching 34 km/h (21 mph) (gusts up to 57 km/h / 35 mph).
Jameston averages 1 clear-sky days per month with overall cloud cover around 69%. The clearest skies occur in April.
The annual average dew point in Jameston is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Jameston has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Jameston ranges from 6°C (43°F) to 10°C (50°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Jameston. It earns a climate score of 7/10 with Good.
For June in Jameston, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 17°C (62°F) and 13 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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