Bootle, United Kingdom experiences average highs of 13°C (55°F) and lows of 8°C (46°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Average highs have warmed by 1.0°C (1.8°F) across the available records.
Bootle, United Kingdom Weather & Climate 2026
Monthly climate averages for Bootle, United Kingdom. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.5/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 13°C / 8°C
Feels Like 10°C / 5°C
Rainy Days 16
Rainfall 100 mm
Sunshine 8 h
Humidity 80%
Wind Speed 26 km/h
Dew Point 7°C
Snow Days 1 days
Frost Days 2 days
Hottest Month
19°C
August
Avg Low14°C
Rain17days
Coldest Month
4°C
January
Avg High7°C
Rain17days
Driest Month
11days
May
Avg High15°C
Avg Low9°C
Windiest Month
31 km/h
February (Gusts 50)
Sea Temperature
5°C – 19°C
Warmest water: August (
18.7°C
)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:44
Daylight 17h
Sunset 21:44
Live conditions—
Bootle on the map · live conditions
Bootle, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Bootle
- Population
- 57.8K
- Coordinates
- 53.47°, -3.02°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 7°C
Rain 12 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 18°C
Avg Low 14°C
Rain 16 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 10°C
Rain 17 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 8°C
Avg Low 4°C
Rain 17 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: 7°C / 4°C . Feb: 8°C / 4°C . Mar: 10°C / 5°C . Apr: 12°C / 6°C . May: 15°C / 9°C . Jun: 18°C / 12°C . Jul: 19°C / 14°C . Aug: 19°C / 14°C . Sep: 17°C / 12°C . Oct: 14°C / 10°C . Nov: 10°C / 7°C . Dec: 8°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 111 mm. Feb: 89 mm. Mar: 85 mm. Apr: 62 mm. May: 60 mm. Jun: 94 mm. Jul: 103 mm. Aug: 102 mm. Sep: 127 mm. Oct: 117 mm. Nov: 126 mm. Dec: 122 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 81%. Mar: 80%. Apr: 75%. May: 76%. Jun: 76%. Jul: 79%. Aug: 78%. Sep: 80%. Oct: 81%. Nov: 84%. Dec: 86%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 29 km/h . Feb: 31 km/h . Mar: 27 km/h . Apr: 25 km/h . May: 22 km/h . Jun: 23 km/h . Jul: 23 km/h . Aug: 24 km/h . Sep: 25 km/h . Oct: 28 km/h . Nov: 28 km/h . Dec: 29 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 5h. Mar: 7h. Apr: 10h. May: 11h. Jun: 12h. Jul: 11h. Aug: 10h. Sep: 8h. Oct: 6h. Nov: 4h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 5°C . Feb: 6°C . Mar: 7°C . Apr: 11°C . May: 15°C . Jun: 18°C . Jul: 19°C . Aug: 19°C . Sep: 17°C . Oct: 13°C . Nov: 10°C . Dec: 7°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 5. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 3. 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: 3 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: 1 days. Dec: 1 days.
Climate Trends
Average highs have warmed by 1.0°C (1.8°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 · 20°C | Aug · 19°C |
| Coldest month | Jan 2025 · 2°C | Jan · 4°C |
| Wettest month | Nov 2025 · 168 mm | Sep · 127 mm |
| Windiest month | Nov 2025 · 30 km/h | Feb · 31 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Fair June best
Good July best
Good August best
Good September best
Fair October
Poor November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 7°C / 4°C | 3°C / -1°C | 17days (111 mm) Wet | 3.6h Poor | 85% Humid | 0.9 Low | Poor | View Details |
| February | 8°C / 4°C | 4°C / -1°C | 15days (89 mm) Wet | 5.2h Fair | 81% Humid | 1.5 Low | Poor | View Details |
| March | 10°C / 5°C | 6°C / 0°C | 14days (85 mm) Wet | 7.4h Good | 80% Humid | 3.2 Moderate | Poor | View Details |
| April | 12°C / 6°C | 9°C / 2°C | 12days (62 mm) Wet | 9.9h Good | 75% Muggy | 4.5 Moderate | Fair | View Details |
| May best | 15°C / 9°C | 13°C / 6°C | 11days (60 mm) Wet | 11.4h Excellent | 76% Humid | 5.4 High | Fair | View Details |
| June best | 18°C / 12°C | 17°C / 10°C | 15days (94 mm) Wet | 11.6h Excellent | 76% Humid | 6 High | Good | View Details |
| July best | 19°C / 14°C | 18°C / 12°C | 17days (103 mm) Wet | 10.9h Excellent | 79% Humid | 5.5 High | Good | View Details |
| August best | 19°C / 14°C | 18°C / 12°C | 17days (102 mm) Wet | 10.2h Excellent | 78% Humid | 5 Moderate | Good | View Details |
| September best | 17°C / 12°C | 15°C / 10°C | 16days (127 mm) Wet | 7.8h Good | 80% Humid | 3.4 Moderate | Fair | View Details |
| October | 14°C / 10°C | 11°C / 6°C | 17days (117 mm) Wet | 5.8h Fair | 81% Humid | 2.2 Moderate | Poor | View Details |
| November | 10°C / 7°C | 7°C / 2°C | 18days (126 mm) Wet | 3.8h Poor | 84% Humid | 1.1 Low | Wet | View Details |
| December | 8°C / 5°C | 4°C / 0°C | 18days (122 mm) Wet | 2.9h Poor | 86% Very Muggy | 0.7 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bootle 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 Bootle, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bootle is August, with average daytime highs of 19°C (66°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Bootle is January, with average overnight lows of 4°C (38°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bootle is September, averaging 127mm of precipitation across 16 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Bootle runs through November, December, January, July, with the heaviest rainfall in November. Based on 10-year averages for Bootle.
Bootle receives approximately 91 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Bootle.
The least favorable months to visit Bootle are January, February, November, 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 Bootle is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Bootle is 80%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Sea temperatures in Summer average 12°C (54°F), which most swimmers will find too cold without a wetsuit.
Yes, Bootle receives snow. Months with snowfall average 1 snow days and 2 cm (1 in) of accumulation, with about 2 frost days during winter.
Average wind speeds in Bootle are 26 km/h (16 mph). The windiest month is February with peak winds reaching 31 km/h (19 mph) (gusts up to 50 km/h / 31 mph).
Bootle averages 1 clear-sky days per month with overall cloud cover around 70%. The clearest skies occur in April.
The annual average dew point in Bootle is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Bootle 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 Bootle ranges from 5°C (41°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 Bootle. It earns a climate score of 6.5/10 with Good.
For June in Bootle, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 18°C (64°F) and 15 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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