West Palm Beach, FL Climate & Monthly Averages

West Palm Beach has a tropical wet-and-dry climate. August is the hottest month, averaging 87° by day; January is the coldest at 73°.

Florida, United States 🇺🇸 · tropical wet-and-dry climate
Annual avg
76°
Hottest month
August
Coldest month
January
Rainy days / yr
194
Sunshine
10.2 h/day

Rain, not cold, divides the year in West Palm Beach

West Palm Beach is genuinely wet: 64.1 inches (1629 mm) falls in an average year, across 194 days that carry about 8.4 mm each when they come. Temperatures are the calmer variable, running 73°F (23°C) to 87°F (30°C) between January and August.

Wettest pointSeptember246 mm
Driest pointMarch59 mm
Rain concentration39%in the wettest three-month window

The wet-and-dry rhythm at a glance

April is the brightest month at 11.5 hours of sun a day, against an annual average of 10.2. January bottoms out at 73°F (23°C) in daylight, 62°F (17°C) after dark. At its warmest, in August, West Palm Beach runs to 87°F (30°C) in the afternoon and back to 78°F (26°C) by dawn. Days and nights are about 5°C apart on average - narrower than all but 5% of the 3496 cities in our dataset.

Between the average August and the average January lie 8°C, a narrower spread than about 79% of the cities we track. The gridded 2015-2024 daily record for this location tops out at 94°F (34°C) and bottoms at 40°F (4°C) - decade extremes, not all-time station records.

More climate facts for West Palm Beach
  • Hottest month: August - highs near 87°F (30°C)
  • Coldest month: January - highs near 73°F (23°C)
  • Decade extremes (2015-2024): 94°F (34°C) high · 40°F (4°C) low
  • Wettest month: September (23 rainy days) · Sunniest: April (11.5 h sun/day)
  • Climate type: tropical wet-and-dry
  • Annual swing: 8°C between the average warmest and coolest month · day to night: 5°C
  • Months averaging 30°C or hotter: 2
  • Average humidity: 77%

Choosing the right part of the year in West Palm Beach

Choose dates by rain, not just temperature

December to April is the sweet spot for West Palm Beach - warm days, manageable rainfall and plenty of daylight line up. Expect 77°F (25°C) in the afternoon and around 10 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in December.

What the humidity changes

Pack for West Palm Beach with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. Even in August, lows of 78°F (26°C) make an extra layer worth the space.

Warm all year: the monthly rain pattern

Each card shows the average high and low. The bar places that month between West Palm Beach's coldest night and warmest afternoon.

January

Coldest
73°62°
Rain
10 days
Sunshine
8.6 h
Daylight
10.6 h

February

76°65°
Rain
9 days
Sunshine
10.0 h
Daylight
11.2 h

March

Driest
78°67°
Rain
8 days
Sunshine
10.4 h
Daylight
11.9 h

April

Sunniest
81°70°
Rain
12 days
Sunshine
11.5 h
Daylight
12.8 h

May

83°73°
Rain
16 days
Sunshine
11.4 h
Daylight
13.4 h

June

85°76°
Rain
24 days
Sunshine
10.5 h
Daylight
13.8 h

July

87°77°
Rain
24 days
Sunshine
11.3 h
Daylight
13.7 h

August

Hottest
87°78°
Rain
27 days
Sunshine
11.0 h
Daylight
13.1 h

September

Wettest
86°77°
Rain
23 days
Sunshine
10.1 h
Daylight
12.3 h

October

83°74°
Rain
17 days
Sunshine
9.6 h
Daylight
11.5 h

November

79°70°
Rain
13 days
Sunshine
9.0 h
Daylight
10.8 h

December

76°66°
Rain
10 days
Sunshine
8.7 h
Daylight
10.5 h

Looking for warmer alternatives? Browse warm places by month, or compare West Palm Beach's coolest part of the year: January, February, December.

Monthly temperature and rain table

Monthly averages for West Palm Beach based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 73° 62° 10 3.0 in 8.6 h/day 10.6 h 31% 74%
February 76° 65° 9 3.1 in 10.0 h/day 11.2 h 33% 75%
March 78° 67° 8 2.3 in 10.4 h/day 11.9 h 25% 72%
April 81° 70° 12 4.1 in 11.5 h/day 12.8 h 39% 73%
May 83° 73° 16 5.6 in 11.4 h/day 13.4 h 51% 76%
June 85° 76° 24 8.1 in 10.5 h/day 13.8 h 81% 82%
July 87° 77° 24 6.9 in 11.3 h/day 13.7 h 79% 81%
August 87° 78° 27 8.6 in 11.0 h/day 13.1 h 88% 82%
September 86° 77° 23 9.7 in 10.1 h/day 12.3 h 78% 82%
October 83° 74° 17 6.1 in 9.6 h/day 11.5 h 55% 77%
November 79° 70° 13 3.9 in 9.0 h/day 10.8 h 43% 76%
December 76° 66° 10 2.8 in 8.7 h/day 10.5 h 34% 77%

How West Palm Beach compares for rain and warmth

  • Rain or snow reaches the ground on 194 days a year - more wet days than 90% of the 3496 cities we track.

These comparisons use the same ten-year window for every city in the dataset.

How the calendar changes in warm-weather West Palm Beach

March through May

March through May brings comfortable warmth here - highs near 80°F (27°C), nights near 70°F (21°C), and rain falls on around 35 of the 90 days. Daylight is generous - around 11.1 hours of sun a day.

June through August

June through August is hot here - highs near 86°F (30°C), nights near 77°F (25°C), and rain falls on around 76 of the 90 days. Daylight is generous - around 10.9 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.

September through November

September through November in West Palm Beach runs hot, with daytime highs averaging 82°F (28°C) and nights around 74°F (23°C); rain falls on around 53 of the 90 days.

December through February

December through February is pleasantly warm here - highs near 75°F (24°C), nights near 64°F (18°C), and expect showers on roughly 29 days across the season.

Questions about heat and rain in West Palm Beach

How cold does West Palm Beach get in winter?
January nights average 62°F (17°C). Cold never really arrives.
How warm is West Palm Beach on average?
76°F (24°C) across all twelve months - about 81°F (27°C) by day and 71°F (22°C) after dark.
How hot does West Palm Beach get in summer?
August averages 87°F (30°C). Hot afternoons happen but extremes are not the norm.
How much sun does West Palm Beach get?
10.2 hours a day averaged over the year, peaking in April at 11.5 hours.
How often does it rain in West Palm Beach?
About 194 days bring measurable precipitation, totalling 64.1 inches (1629 mm). That works out at roughly 8.4 mm on an average wet day.

West Palm Beach temperature extremes in the 2015–2024 dataset

Highest daily value
94°
in May
Lowest daily value
40°
in January
Annual precipitation
64.1"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.