Climate averages 1991–2020
Port Saint Lucie weather
in January.
A warm, moderately wet month: the coolest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Port Saint Lucie: daytime highs average 22.1°C and nights cool to about 14.8°C. By daytime temperature it is the coolest month of the year.
Expect about 51 mm of rain on roughly 7 days, which makes January a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 38 min on an average January day.
The nearest other city in this atlas is West Palm Beach (71 km away). In January its highs average 22.6°C, about as warm as Port Saint Lucie, with 52 mm of rain.
Among the 498 cities listed in the United States, Port Saint Lucie ranks 20th of 498 for the warmest January highs and joint 120th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Port Saint Lucie is 12.7°C warmer than that mean.
From January to February, average highs rise by 1.4°C to 23.5°C, and monthly rainfall falls from 51 mm to 46 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Port Saint Lucie climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 22.1°C14.8°C | 14.8°C | 51 | 7.0 | 10.611 h |
| February | 23.5°C15.7°C | 15.7°C | 46 | 6.5 | 11.211 h |
| March | 25.1°C17.2°C | 17.2°C | 57 | 7.0 | 12.012 h |
| April | 27.2°C19.4°C | 19.4°C | 56 | 7.1 | 12.813 h |
| May | 29.2°C21.8°C | 21.8°C | 74 | 9.9 | 13.513 h |
| June | 30.3°C23.9°C | 23.9°C | 121 | 17.6 | 13.814 h |
| July | 31.0°C24.7°C | 24.7°C | 92 | 18.1 | 13.714 h |
| August | 30.9°C24.9°C | 24.9°C | 123 | 21.0 | 13.113 h |
| September | 29.6°C24.3°C | 24.3°C | 139 | 19.7 | 12.312 h |
| October | 27.7°C22.2°C | 22.2°C | 102 | 12.2 | 11.512 h |
| November | 25.1°C19.1°C | 19.1°C | 55 | 8.7 | 10.811 h |
| December | 23.2°C16.6°C | 16.6°C | 41 | 7.3 | 10.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- West Palm Beach in JanuaryUnited States · 71 kmHigh 22.6°C · Low 16.3°C · 52 mm rain
- Palm Bay in JanuaryUnited States · 86 kmHigh 21.0°C · Low 14.5°C · 57 mm rain
- Boynton Beach in JanuaryUnited States · 90 kmHigh 22.9°C · Low 16.3°C · 51 mm rain
- Melbourne, United States in JanuaryUnited States · 91 kmHigh 20.8°C · Low 14.3°C · 57 mm rain
- Boca Raton in JanuaryUnited States · 107 kmHigh 23.0°C · Low 16.3°C · 51 mm rain
- Deerfield Beach in JanuaryUnited States · 111 kmHigh 23.2°C · Low 16.3°C · 51 mm rain
- Coral Springs in JanuaryUnited States · 114 kmHigh 23.5°C · Low 15.5°C · 41 mm rain
- Pompano Beach in JanuaryUnited States · 120 kmHigh 23.2°C · Low 16.8°C · 51 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Port Saint Lucie) is explained once on the Port Saint Lucie year overview and on the Sources, method and limits page.