Grimsby in August

7.8out of 10

Yes, a good time to go

Warm and comfortable: highs around 25°C. Frequent rain: about 9 rainy days.

25°CAvg high
19°CAvg low
9Rainy days (68 mm)
13:47 hDaylight
06:29Sunrise · 20:16 Sunset

Why this score

  • Warm and comfortable: highs around 25°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • T-shirts and light layers
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in August is fairly consistent from year to year (2.0 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

0° -5° J 0° -5° F 4° -2° M 9° 3° A 15° 9° M 22° 16° J 25° 20° J 25° 19° A 21° 16° S 15° 10° O 8° 4° N 3° -1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 0°C-5°C73 mm 11– – 3.6
February 0°C-5°C58 mm 9– – 3.9
March 4°C-2°C71 mm 10– – 4.6
April 9°C3°C94 mm 11– – 5.5
May 15°C9°C81 mm 11– – 6.6
June 22°C16°C83 mm 11– – 7.6
July 25°C20°C73 mm 10– – 7.8
August 25°C19°C68 mm 9– – 7.8
September 21°C16°C78 mm 9– – 7.8
October 15°C10°C88 mm 12– – 6.3
November 8°C4°C80 mm 11– – 5.5
December 3°C-1°C76 mm 11– – 4.4

Frequently asked questions

How hot is Grimsby in August?

Daytime highs average 25°C and nights about 19°C.

When is the best time to visit Grimsby?

The best months are July, August, September, June.