Isles of Scilly, United Kingdom Weather

Isles of Scilly,  Weather
(Photo by Nikolay Hristov on Unsplash)

Current conditions

Updated:
18°C
64.4°F
°C °F

Condition: Mainly Clear

Pressure: 1,015 hPa

Feel like: 19 °C

Temperature: 18°C

Cloud: 35%

Humidity: 89%

Wind: SW - 9 km/h

Visibility: 26.52 km

Weather forecast

Sun
09 Aug
18°C / 19°C
Overcast
Mon
10 Aug
18°C / 20°C
Partly Cloudy
Tue
11 Aug
19°C / 21°C
Partly Cloudy
Wed
12 Aug
20°C / 21°C
Overcast
Thu
13 Aug
18°C / 20°C
Overcast
Hourly forecast today:
23:00 PM
16° / 18°
16° / 18°
Mainly Clear
89% 11 km/h
00:00 AM
17° / 18°
17° / 18°
Clear Sky
91% 9 km/h
01:00 AM
17° / 18°
17° / 18°
Clear Sky
91% 10 km/h
02:00 AM
17° / 18°
17° / 18°
Mainly Clear
92% 9 km/h
03:00 AM
17° / 18°
17° / 18°
Mainly Clear
92% 9 km/h
04:00 AM
17° / 18°
17° / 18°
Partly Cloudy
94% 8 km/h
05:00 AM
17° / 18°
17° / 18°
Overcast
95% 7 km/h
06:00 AM
17° / 18°
17° / 18°
Partly Cloudy
96% 5 km/h
07:00 AM
18° / 18°
18° / 18°
Overcast
97% 5 km/h
08:00 AM
17° / 18°
17° / 18°
Partly Cloudy
96% 8 km/h
09:00 AM
18° / 18°
18° / 18°
Overcast
97% 10 km/h

30 Day Averages and Extremes

  • Average high 17.53°C
  • Average low 16.3°C
  • Hottest day 21°C (11 August 2026)
  • Coldest day 0°C (21 August 2026)
  • Average humidity 74.6%
  • Days with precipitation 14 days
  • Highest precipitation 17 mm (18 August 2026)

Yesterday's Data

  • Max: 19°C
  • Min: 17°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Isles of Scilly over the next 12 hours

Temperature and possibility of rain in Isles of Scilly in the coming days

Rainfall in Isles of Scilly in the coming days

Isles of Scilly Climate Summary

Isles of Scilly features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 12.48ºC (54.46ºF), which is about 1.73% higher than the national average for United Kingdom. Annually, the city experiences approximately 81.94 millimeters (3.23 inches) of rainfall, spread across 154.73 rainy days, accounting for 42.39% of the year.

Longitude 49.9277261
Latitude -6.3274966
Yearly high temperature 12.92ºC (55.26ºF)
Yearly low temperature 11.3ºC (52.34ºF)
Hottest month July 16.79ºC (62.22ºF)
Coldest month February 7.85ºC (46.13ºF)
Yearly precip 81.94mm (3.23in)
Days with rainfall 154.73 days (42.39%)
Driest month May (83.7%)
Wettest month November (78.41%)

Weather averages by month

Month High / Low (°C) Rain
January 10.11° / 8.27° 16.36 days
February 9.51° / 7.85° 14.36 days
March 9.6° / 7.9° 13.55 days
April 10.62° / 9.05° 10.45 days
May 12.29° / 10.69° 9.27 days
June 14.75° / 13.11° 9.64 days
July 16.79° / 15.26° 9.73 days
August 17.1° / 15.76° 12.55 days
September 16.25° / 14.65° 10.91 days
October 14.56° / 13.02° 14.73 days
November 12.37° / 10.68° 16.27 days
December 11.09° / 9.33° 16.91 days

Isles of Scilly's weather

Frequently asked questions

1. What is the hottest month in Isles of Scilly?

July has the highest average monthly temperature (daily mean of 16.79ºC) and February are the coolest (daily mean of 7.85ºC).

2. What should I wear in Isles of Scilly today?

For today's mild weather in Isles of Scilly, with temperatures between 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Casual sneakers or loafers
- Lightweight sweater or cardigan
- Sun hat (if spending time outdoors)
- Comfortable jeans or slacks

Temperature

Early
12°C / 18°C
Morning
14°C / 18°C
Afternoon
16°C / 19°C
Evening
16°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 127
  • NH3 0
  • NO2 2
  • O3 100
  • PM10 12
  • PM25 6
  • SO2 0
  • CH4 1,378

Sunrise / Sunset

05:06
19:54