Climate Chart of Marshall Islands, USA
Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023
For Marshall Islands, USA, the climate data describe 2013–2023. Monthly mean temperatures stay within a narrow range, with the supplied mean at 27.3 °C and the monthly extremes at February 26.9 °C and September 27.6 °C. Rainfall and sunshine also show month-to-month differences: mean daily rainfall is 5.92 mm/day, while mean daily sunshine is 10.25 hours/day. These averages offer a broad planning picture, not a forecast for any particular day.
Climate overview
Temperature
Monthly mean temperatures range from February at 26.9 °C to September at 27.6 °C; the unweighted mean of the monthly means is 27.3 °C. These figures describe monthly averages rather than daytime maximum temperatures, so they do not show the range visitors might experience from day to day.
Rain
Mean daily rainfall is lowest in January at 1.94 mm/day and highest in October at 9.45 mm/day; the unweighted mean across monthly means is 5.92 mm/day. These are daily averages, not monthly totals, and the lower average does not guarantee rain-free days or indicate how frequently rain occurs.
Sunshine
Mean daily sunshine duration reaches its highest level in both February / April at 10.64 hours/day, while its lowest monthly mean is in November at 9.37 hours/day. The unweighted mean across monthly means is 10.25 hours/day hours per day. Sunshine duration can help with outdoor planning, but it is not a measure of day length or a guarantee of clear conditions.
Best Travel Time Guide for Marshall Islands, USA: Ideal Seasons and Weather Insights
Visitors prioritising lower average rainfall could consider January, when mean daily rainfall is 1.94 mm/day; this is a criterion-based option, not a promise of dry weather, and the average does not reveal the frequency of rainy days. For rain preparation, note that the highest monthly mean is in October at 9.45 mm/day, and plan for changing conditions rather than relying on a monthly average as a forecast. For visitors prioritising cooler monthly averages, February is the relevant reference point, with a monthly mean temperature of 26.9 °C; this is not a daytime high or a guarantee of a particular day's conditions. For daylight outdoor planning, mean daily sunshine is highest in both February / April at 10.64 hours/day and lowest in November at 9.37 hours/day. Sunshine duration is not day length, so these criteria point to different considerations rather than one universal best time to visit.
Climate Data Overview for Marshall Islands, USA
Explore the comprehensive climate data for Marshall Islands, USA. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.
| Month | Average: Temperature °C | Rain (mm) / day | Snow (mm) / day | Sunshine (h) / day |
|---|---|---|---|---|
| Jan | 27.1 | 1.94 | 0.00 | 10.30 |
| Feb | 26.9 | 2.50 | 0.00 | 10.64 |
| Mar | 27.0 | 3.53 | 0.00 | 10.59 |
| Apr | 27.1 | 4.76 | 0.00 | 10.64 |
| May | 27.4 | 5.92 | 0.00 | 10.37 |
| Jun | 27.5 | 6.56 | 0.00 | 10.58 |
| Jul | 27.5 | 7.11 | 0.00 | 10.63 |
| Aug | 27.5 | 7.98 | 0.00 | 10.38 |
| Sep | 27.6 | 8.56 | 0.00 | 9.90 |
| Oct | 27.5 | 9.45 | 0.00 | 9.40 |
| Nov | 27.5 | 9.38 | 0.00 | 9.37 |
| Dec | 27.5 | 3.33 | 0.00 | 10.21 |
| Average | 27.3 | 5.92 | 0.00 | 10.25 |
