6.8 /10
Good

May is a good month in Gloucester

Climate Overview

Gloucester, United States in May has mild conditions, with highs averaging 15.9°C (61°F) and noticeably cooler mornings. Rain falls on about 11 days this month. Winds are noticeable. Sea temperature stays cool at 11.2°C (52°F).

This month falls at the end of Spring.

Daily highs in May gradually rise from around 13°C (56°F) at the start to 18°C (65°F) by month's end.

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Expect around 8.1h of sunshine at the start of May, increasing to 9.9h by the end.

The warmest days tend to fall around the 27th, averaging 18.6°C (65°F).

Compared to April, this month is about 5°C warmer with 1 fewer rainy days. Temperatures will rise further into June.

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Monthly May Averages

Temperature
16°C / 10°C
Feels Like
14°C / 7°C
Rain
11 days · 95 mm
Sunshine
10h / day
Humidity
76% — Humid
Wind
27 km/h
Wind Direction
S (177°)
Gusts
37 km/h
Daylight
14.6 h
Cloud Cover
64%
Clear Sky Days
2.9
UV Index
6.2 — High
Sea Temperature
11°C
Dew Point
9°C — Dry
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

24°C 21°C 18°C 15°C 12°C 9°C 6°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 7 14 21 28 35 151015202531
Wind Speed
Sun Position
Sunrise 05:22
Daylight 14.6h
Sunset 19:59

Compare Months

January
Poor
Temp
3°C / -3°C
Feels Like
-3°C / -10°C
Rain
11days (118 mm) Wet
Sun
5.9h Fair
Humidity
68% Muggy
UV
2.2 Moderate
Snow Days
8days
February
Poor
Temp
4°C / -2°C
Feels Like
-1°C / -9°C
Rain
10days (107 mm) Wet
Sun
6.7h Fair
Humidity
70% Muggy
UV
3.1 Moderate
Snow Days
8days
March
Poor
Temp
7°C / 1°C
Feels Like
2°C / -6°C
Rain
13days (124 mm) Wet
Sun
7.9h Good
Humidity
68% Muggy
UV
4.1 Moderate
Snow Days
5days
April
Poor
Temp
11°C / 5°C
Feels Like
7°C / 0°C
Rain
12days (134 mm) Wet
Sun
8.6h Good
Humidity
72% Muggy
UV
5.2 High
Snow Days
2days
May
Good
Temp
16°C / 10°C
Feels Like
14°C / 7°C
Rain
11days (95 mm) Wet
Sun
10h Excellent
Humidity
76% Humid
UV
6.2 High
June best
Excellent
Temp
21°C / 16°C
Feels Like
21°C / 14°C
Rain
9days (74 mm) Wet
Sun
11.2h Excellent
Humidity
78% Humid
UV
6.7 High
July best
Excellent
Temp
24°C / 20°C
Feels Like
26°C / 20°C
Rain
9days (84 mm) Wet
Sun
11.3h Excellent
Humidity
79% Humid
UV
7.1 Very High
August best
Excellent
Temp
24°C / 19°C
Feels Like
26°C / 20°C
Rain
8days (65 mm) Wet
Sun
11h Excellent
Humidity
78% Humid
UV
6.6 High
September best
Excellent
Temp
21°C / 16°C
Feels Like
21°C / 15°C
Rain
10days (89 mm) Wet
Sun
8.8h Good
Humidity
78% Humid
UV
5.2 High
October best
Good
Temp
16°C / 11°C
Feels Like
14°C / 8°C
Rain
10days (140 mm) Wet
Sun
7.2h Good
Humidity
75% Muggy
UV
3.8 Moderate
November
Poor
Temp
10°C / 5°C
Feels Like
6°C / -1°C
Rain
9days (94 mm) Wet
Sun
6.5h Fair
Humidity
69% Muggy
UV
2.6 Moderate
December
Poor
Temp
5°C / 0°C
Feels Like
0°C / -7°C
Rain
11days (144 mm) Wet
Sun
5.5h Fair
Humidity
70% Muggy
UV
1.9 Low
Snow Days
5days
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 3°C / -3°C -3°C / -10°C 11days (118 mm) Wet 5.9h Fair 68% Muggy 2.2 Moderate Poor View Details
February 4°C / -2°C -1°C / -9°C 10days (107 mm) Wet 6.7h Fair 70% Muggy 3.1 Moderate Poor View Details
March 7°C / 1°C 2°C / -6°C 13days (124 mm) Wet 7.9h Good 68% Muggy 4.1 Moderate Poor View Details
April 11°C / 5°C 7°C / 0°C 12days (134 mm) Wet 8.6h Good 72% Muggy 5.2 High Poor View Details
May 16°C / 10°C 14°C / 7°C 11days (95 mm) Wet 10h Excellent 76% Humid 6.2 High Good View Details
June best 21°C / 16°C 21°C / 14°C 9days (74 mm) Wet 11.2h Excellent 78% Humid 6.7 High Excellent View Details
July best 24°C / 20°C 26°C / 20°C 9days (84 mm) Wet 11.3h Excellent 79% Humid 7.1 Very High Excellent View Details
August best 24°C / 19°C 26°C / 20°C 8days (65 mm) Wet 11h Excellent 78% Humid 6.6 High Excellent View Details
September best 21°C / 16°C 21°C / 15°C 10days (89 mm) Wet 8.8h Good 78% Humid 5.2 High Excellent View Details
October best 16°C / 11°C 14°C / 8°C 10days (140 mm) Wet 7.2h Good 75% Muggy 3.8 Moderate Good View Details
November 10°C / 5°C 6°C / -1°C 9days (94 mm) Wet 6.5h Fair 69% Muggy 2.6 Moderate Poor View Details
December 5°C / 0°C 0°C / -7°C 11days (144 mm) Wet 5.5h Fair 70% Muggy 1.9 Low Poor View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

May is typically good for visiting Gloucester, with average highs of 16°C (61°F) and around 11 rainy days. Gloucester, United States in May has mild conditions, with highs averaging 15.9°C (61°F) and noticeably cooler mornings.
Gloucester typically sees around 11 rainy days in May with 95 mm (3.7 in) of total rainfall. Pack a waterproof jacket.
Nights in Gloucester during May are cool at around 10°C (51°F). Bring a jacket or sweater for evenings.
With highs of 16°C (61°F) and lows of 10°C (51°F) in May, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
May is not the most favourable month weather-wise in Gloucester. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Gloucester during May is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Gloucester gets approximately 15 hours of daylight per day in May, with around 10 hours of sunshine.
Snow is uncommon in Gloucester during May based on 10-year climate averages.

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