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°.
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.
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
- Rain
- 10 days
- Sunshine
- 8.6 h
- Daylight
- 10.6 h
February
- Rain
- 9 days
- Sunshine
- 10.0 h
- Daylight
- 11.2 h
March
- Rain
- 8 days
- Sunshine
- 10.4 h
- Daylight
- 11.9 h
April
- Rain
- 12 days
- Sunshine
- 11.5 h
- Daylight
- 12.8 h
May
- Rain
- 16 days
- Sunshine
- 11.4 h
- Daylight
- 13.4 h
June
- Rain
- 24 days
- Sunshine
- 10.5 h
- Daylight
- 13.8 h
July
- Rain
- 24 days
- Sunshine
- 11.3 h
- Daylight
- 13.7 h
August
- Rain
- 27 days
- Sunshine
- 11.0 h
- Daylight
- 13.1 h
September
- Rain
- 23 days
- Sunshine
- 10.1 h
- Daylight
- 12.3 h
October
- Rain
- 17 days
- Sunshine
- 9.6 h
- Daylight
- 11.5 h
November
- Rain
- 13 days
- Sunshine
- 9.0 h
- Daylight
- 10.8 h
December
- 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
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| 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?
How warm is West Palm Beach on average?
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West Palm Beach temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.