Caol, United Kingdom experiences average highs of 12°C (54°F) and lows of 6°C (43°F) throughout the year. Rainfall is frequent, averaging about 18 rainy days per month. Average highs have warmed by 1.1°C (2.0°F) across the available records.
Caol, United Kingdom Weather & Climate 2026
Monthly climate averages for Caol, United Kingdom. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Nov 
Wetter season: Aug–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.5/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 12°C / 6°C
Feels Like 9°C / 4°C
Rainy Days 18
Rainfall 157 mm
Sunshine 6 h
Humidity 87%
Wind Speed 16 km/h
Dew Point 7°C
Snow Days 7 days
Frost Days 6 days
Hottest Month
18°C
July
Avg Low12°C
Rain19days
Coldest Month
2°C
January
Avg High6°C
Rain18days
Driest Month
14days
April
Avg High11°C
Avg Low4°C
Windiest Month
19 km/h
February (Gusts 60)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:28
Daylight 17.8h
Sunset 22:16
Live conditions—
Caol on the map · live conditions
Caol, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Caol
- Population
- 3.2K
- Coordinates
- 56.84°, -5.10°
Seasonal Breakdown
Spring
Mar–May
Avg High 11°C
Avg Low 5°C
Rain 15 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 17°C
Avg Low 11°C
Rain 20 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 12°C
Avg Low 7°C
Rain 19 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 2°C
Rain 19 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: 6°C / 2°C . Feb: 6°C / 2°C . Mar: 8°C / 3°C . Apr: 11°C / 4°C . May: 15°C / 8°C . Jun: 17°C / 11°C . Jul: 18°C / 12°C . Aug: 17°C / 12°C . Sep: 15°C / 10°C . Oct: 12°C / 7°C . Nov: 8°C / 4°C . Dec: 7°C / 3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 183 mm. Feb: 208 mm. Mar: 147 mm. Apr: 84 mm. May: 104 mm. Jun: 134 mm. Jul: 134 mm. Aug: 165 mm. Sep: 162 mm. Oct: 205 mm. Nov: 155 mm. Dec: 204 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 93%. Feb: 90%. Mar: 86%. Apr: 80%. May: 79%. Jun: 81%. Jul: 84%. Aug: 86%. Sep: 87%. Oct: 89%. Nov: 92%. Dec: 94%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 19 km/h . Mar: 17 km/h . Apr: 16 km/h . May: 15 km/h . Jun: 15 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 17 km/h . Nov: 15 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 2h. Feb: 4h. Mar: 6h. Apr: 8h. May: 10h. Jun: 9h. Jul: 8h. Aug: 8h. Sep: 6h. Oct: 4h. Nov: 3h. Dec: 1h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 1. Mar: UV 2. Apr: UV 4. May: UV 5. Jun: UV 5. Jul: UV 4. Aug: UV 4. Sep: UV 3. Oct: UV 1. Nov: UV 1. Dec: UV 0.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 13 days. Feb: 13 days. Mar: 9 days. Apr: 4 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 4 days. Dec: 8 days.
Climate Trends
Average highs have warmed by 1.1°C (2.0°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 19°C | Jul · 18°C |
| Coldest month | Jan 2025 · 1°C | Jan · 2°C |
| Wettest month | Dec 2025 · 216 mm | Feb · 208 mm |
| Windiest month | Jun 2025 · 19 km/h | Feb · 19 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Poor May best
Fair June best
Wet July best
Wet August best
Wet September best
Wet October
Wet November
Poor December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / 2°C | 3°C / -2°C | 18days (183 mm) Wet | 2.2h Poor | 93% Very Muggy | 0.6 Low | Wet | View Details |
| February | 6°C / 2°C | 3°C / -2°C | 19days (208 mm) Wet | 4h Fair | 90% Very Muggy | 1.2 Low | Wet | View Details |
| March | 8°C / 3°C | 5°C / -1°C | 18days (147 mm) Wet | 5.8h Fair | 86% Very Muggy | 2.4 Moderate | Wet | View Details |
| April | 11°C / 4°C | 8°C / 1°C | 14days (84 mm) Wet | 8.4h Good | 80% Humid | 3.6 Moderate | Poor | View Details |
| May best | 15°C / 8°C | 13°C / 6°C | 14days (104 mm) Wet | 9.6h Good | 79% Humid | 4.9 Moderate | Fair | View Details |
| June best | 17°C / 11°C | 16°C / 9°C | 19days (134 mm) Wet | 9.3h Good | 81% Humid | 4.8 Moderate | Wet | View Details |
| July best | 18°C / 12°C | 17°C / 11°C | 19days (134 mm) Wet | 8.4h Good | 84% Humid | 4.3 Moderate | Wet | View Details |
| August best | 17°C / 12°C | 17°C / 11°C | 21days (165 mm) Wet | 7.8h Good | 86% Very Muggy | 4 Moderate | Wet | View Details |
| September best | 15°C / 10°C | 14°C / 8°C | 19days (162 mm) Wet | 5.9h Fair | 87% Very Muggy | 2.9 Moderate | Wet | View Details |
| October | 12°C / 7°C | 10°C / 5°C | 21days (205 mm) Wet | 4h Fair | 89% Very Muggy | 1.3 Low | Wet | View Details |
| November | 8°C / 4°C | 6°C / 1°C | 17days (155 mm) Wet | 2.7h Poor | 92% Very Muggy | 0.7 Low | Poor | View Details |
| December | 7°C / 3°C | 4°C / 0°C | 20days (204 mm) Wet | 1.4h Poor | 94% Very Muggy | 0.4 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Caol 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 Caol, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Caol is July, with average daytime highs of 18°C (64°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Caol is January, with average overnight lows of 2°C (35°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Caol is February, averaging 208mm of precipitation across 19 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Caol runs through August, October, December, February, with the heaviest rainfall in August. Based on 10-year averages for Caol.
Caol receives approximately 70 sunshine hours per year. The sunniest month is May with around 10 hours. Based on climate data for Caol.
The least favorable months to visit Caol are January, February, March, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Caol is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Caol is 87%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Caol receives snow. Months with snowfall average 7 snow days and 17 cm (7 in) of accumulation, with about 6 frost days during winter.
Average wind speeds in Caol are 16 km/h (10 mph). The windiest month is February with peak winds reaching 19 km/h (12 mph) (gusts up to 60 km/h / 37 mph).
Caol averages 0 clear-sky days per month with overall cloud cover around 83%. The clearest skies occur in April.
The annual average dew point in Caol is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Caol 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 Caol ranges from 4°C (39°F) to 9°C (48°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Caol, with a climate score of 6/10. Consider visiting during May, June, July, August, September instead for better conditions.
For June in Caol, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 17°C (62°F) and 19 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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