USA weather in May 2025

Expect daytime maximum temperatures of 24°C in USA in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 96 mm of rainfall in the month.

  • 24°C maximum daytime temperature in May in USA (Washington)24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in USA (Washington)11
    11 days with some rainfall
  • 12°C minimum night-time temperature in May in USA (Washington)12
    12°C min night temperature
  • 14 hours of daylight per day in May in USA (Washington)14
    14 hours of daylight per day
  • No heat & humidity in May in USA (Washington)0
    No heat & humidity
  • 96 mm monthly rainfall in May in USA (Washington)96
    96 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in USA (Washington)8
    8 (Very High) UV index

More about the USA

USA by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the USA

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The May weather guide for USA (Washington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top USA destinations

Below are average maximum temperatures at popular countries, regions and places in the USA in May. Select a holiday destination to see more weather parameters.

USA regions

All USA regions

All USA destinations

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

A

Back to A-Z

B

Back to A-Z

C

Back to A-Z

D

Back to A-Z

E

Back to A-Z

F

Back to A-Z

G

Back to A-Z

H

Back to A-Z

I

Back to A-Z

J

Back to A-Z

K

Back to A-Z

L

Back to A-Z

M

Back to A-Z

N

Back to A-Z

O

Back to A-Z

P

Back to A-Z

R

Back to A-Z

S

Back to A-Z

T

Back to A-Z

U

Back to A-Z

V

Back to A-Z

W

Back to A-Z

Y

Back to A-Z

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in the USA in May?

Daytime temperatures usually reach 24°C in Washington, USA in May, falling to 12°C at night.

How sunny is it in the USA in May?

There are normally 8 hours of bright sunshine each day in Washington, USA in May - that's 59% of daylight hours.

Does it rain in the USA in May?

There are usually 11 days with some rain in Washington, USA in May and the average monthly rainfall is 96mm.

USA May sunrise & sunset times

Browse the sunrise and sunset times for USA in May 2025. Select a month to view USA sunrise and sunset times for the next 12 months. The USA sunrise and sunset times shown below are for Washington.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:10 19:01
Friday, 16th May 2025 04:54 19:15
Saturday, 31st May 2025 04:45 19:27

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^