7 /10
Good

May is a good month in Needham

Climate Overview

Needham, United States in May has mild conditions, with highs averaging 19.3°C (67°F) and noticeably cooler mornings. Rain falls on about 11 days this month.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 17°C (62°F) at the start to 22°C (72°F) by month's end.

May sees fairly even rainfall, totalling about 87 mm across the month.

Expect around 7.6h of sunshine at the start of May, increasing to 9.2h by the end.

The warmest days tend to fall around the 27th, averaging 22.7°C (73°F).

Compared to April, this month is about 6°C warmer with 1 fewer rainy days. Temperatures will rise further into June.

LIVE Current Weather Local Time
LIVE Air Quality

Monthly May Averages

Temperature
19°C / 10°C
Feels Like
19°C / 8°C
Rain
11 days · 87 mm
Sunshine
9.5h / day
Humidity
73% — Humid
Wind
17 km/h
Wind Direction
WSW (247°)
Gusts
39 km/h
Daylight
14.6 h
Cloud Cover
66%
Clear Sky Days
3.1
UV Index
6.2 — High
Dew Point
10°C — Comfortable
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

28°C 24°C 20°C 16°C 12°C 8°C 4°C 0°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 5 10 15 20 25 151015202531
Wind Speed
Sun Position
Sunrise 05:25
Daylight 14.6h
Sunset 20:00

Compare Months

January
Poor
Temp
3°C / -4°C
Feels Like
-1°C / -9°C
Rain
9days (94 mm) Wet
Sun
5.9h Fair
Humidity
67% Muggy
UV
2.2 Moderate
Snow Days
8days
February
Poor
Temp
5°C / -4°C
Feels Like
1°C / -9°C
Rain
10days (81 mm) Wet
Sun
6.7h Fair
Humidity
69% Muggy
UV
3.2 Moderate
Snow Days
8days
March
Poor
Temp
8°C / -1°C
Feels Like
5°C / -5°C
Rain
11days (102 mm) Wet
Sun
7.8h Good
Humidity
67% Muggy
UV
4.3 Moderate
Snow Days
4days
April
Fair
Temp
14°C / 5°C
Feels Like
11°C / 1°C
Rain
12days (103 mm) Wet
Sun
8.4h Good
Humidity
69% Muggy
UV
5.1 High
Snow Days
2days
May
Good
Temp
19°C / 10°C
Feels Like
19°C / 8°C
Rain
11days (87 mm) Wet
Sun
9.5h Good
Humidity
73% Muggy
UV
6.2 High
June best
Excellent
Temp
25°C / 16°C
Feels Like
26°C / 15°C
Rain
11days (75 mm) Wet
Sun
10.8h Excellent
Humidity
73% Muggy
UV
6.7 High
July best
Excellent
Temp
28°C / 20°C
Feels Like
31°C / 21°C
Rain
12days (102 mm) Wet
Sun
11h Excellent
Humidity
74% Muggy
UV
6.9 High
August best
Excellent
Temp
27°C / 19°C
Feels Like
29°C / 20°C
Rain
11days (78 mm) Wet
Sun
10.6h Excellent
Humidity
73% Muggy
UV
6.5 High
September best
Excellent
Temp
23°C / 15°C
Feels Like
23°C / 15°C
Rain
8days (88 mm) Wet
Sun
8.4h Good
Humidity
76% Humid
UV
5 Moderate
October best
Good
Temp
17°C / 10°C
Feels Like
16°C / 8°C
Rain
9days (104 mm) Wet
Sun
7h Good
Humidity
76% Humid
UV
3.8 Moderate
November
Poor
Temp
10°C / 3°C
Feels Like
7°C / -1°C
Rain
9days (75 mm) Wet
Sun
6.5h Fair
Humidity
71% Muggy
UV
2.6 Moderate
Snow Days
1days
December
Poor
Temp
5°C / -2°C
Feels Like
1°C / -7°C
Rain
10days (115 mm) Wet
Sun
5.5h Fair
Humidity
72% Muggy
UV
1.9 Low
Snow Days
6days
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 3°C / -4°C -1°C / -9°C 9days (94 mm) Wet 5.9h Fair 67% Muggy 2.2 Moderate Poor View Details
February 5°C / -4°C 1°C / -9°C 10days (81 mm) Wet 6.7h Fair 69% Muggy 3.2 Moderate Poor View Details
March 8°C / -1°C 5°C / -5°C 11days (102 mm) Wet 7.8h Good 67% Muggy 4.3 Moderate Poor View Details
April 14°C / 5°C 11°C / 1°C 12days (103 mm) Wet 8.4h Good 69% Muggy 5.1 High Fair View Details
May 19°C / 10°C 19°C / 8°C 11days (87 mm) Wet 9.5h Good 73% Muggy 6.2 High Good View Details
June best 25°C / 16°C 26°C / 15°C 11days (75 mm) Wet 10.8h Excellent 73% Muggy 6.7 High Excellent View Details
July best 28°C / 20°C 31°C / 21°C 12days (102 mm) Wet 11h Excellent 74% Muggy 6.9 High Excellent View Details
August best 27°C / 19°C 29°C / 20°C 11days (78 mm) Wet 10.6h Excellent 73% Muggy 6.5 High Excellent View Details
September best 23°C / 15°C 23°C / 15°C 8days (88 mm) Wet 8.4h Good 76% Humid 5 Moderate Excellent View Details
October best 17°C / 10°C 16°C / 8°C 9days (104 mm) Wet 7h Good 76% Humid 3.8 Moderate Good View Details
November 10°C / 3°C 7°C / -1°C 9days (75 mm) Wet 6.5h Fair 71% Muggy 2.6 Moderate Poor View Details
December 5°C / -2°C 1°C / -7°C 10days (115 mm) Wet 5.5h Fair 72% Muggy 1.9 Low Poor View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

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

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

May is typically good for visiting Needham, with average highs of 19°C (67°F) and around 11 rainy days. Needham, United States in May has mild conditions, with highs averaging 19.3°C (67°F) and noticeably cooler mornings. Ra
Needham typically sees around 11 rainy days in May with 87 mm (3.4 in) of total rainfall. Pack a waterproof jacket.
Nights in Needham during May are cool at around 10°C (50°F). Bring a jacket or sweater for evenings.
With highs of 19°C (67°F) and lows of 10°C (50°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
May is not the most favourable month weather-wise in Needham. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Needham during May is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Needham gets approximately 15 hours of daylight per day in May, with around 10 hours of sunshine.
Snow is uncommon in Needham during May based on 10-year climate averages.

Last updated: