Joint Base Pearl Harbor Hickam Climate by Month
Joint Base Pearl Harbor Hickam, Hawaii, United States
Warm all year, with rain spread through the year.
Joint Base Pearl Harbor Hickam is warm all year, with rain spread through the year. August is the warmest month, with highs around 89°F (32°C); January is the coolest at 81°F (27°C), and nights dip to 65°F (19°C). It gets 30 in (757 mm) of rain a year, spread across the months.
- Warmest month
- 89°F(32°C)
- Average high, August
- Coldest nights
- 65°F(19°C)
- Average low, February
- Rain per year
- 30 in(757 mm)
- No clear rainy season
- Humidity
- 67%
- Sunniest: June
Best and worst months in Joint Base Pearl Harbor Hickam
Best for weatherThe most comfortable weather comes in January and February, with highs around 81°F (27°C) and about 2.3 in (59 mm) of rain a month.
Least pleasantAugust and October are the least pleasant; October is the hottest, with highs of 87°F (31°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Joint Base Pearl Harbor Hickam weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 81°F(27°C) | 65°F(19°C) | 2.8 in(71 mm) | 68% | 4.0 |
| FebFebruaryBest | 82°F(28°C) | 65°F(19°C) | 1.8 in(46 mm) | 68% | 4.6 |
| MarMarch | 82°F(28°C) | 67°F(19°C) | 3.0 in(76 mm) | 69% | 5.2 |
| AprApril | 84°F(29°C) | 69°F(20°C) | 2.1 in(54 mm) | 65% | 6.0 |
| MayMay | 86°F(30°C) | 70°F(21°C) | 2.6 in(65 mm) | 64% | 6.2 |
| JunJune | 87°F(31°C) | 72°F(22°C) | 2.1 in(54 mm) | 66% | 6.4 |
| JulJuly | 89°F(31°C) | 73°F(23°C) | 2.1 in(54 mm) | 67% | 6.3 |
| AugAugust | 89°F(32°C) | 74°F(23°C) | 2.2 in(56 mm) | 66% | 6.1 |
| SepSeptember | 89°F(32°C) | 73°F(23°C) | 1.8 in(46 mm) | 66% | 5.7 |
| OctOctober | 87°F(31°C) | 72°F(22°C) | 3.4 in(87 mm) | 67% | 4.9 |
| NovNovember | 84°F(29°C) | 70°F(21°C) | 2.8 in(70 mm) | 69% | 4.1 |
| DecDecember | 82°F(28°C) | 68°F(20°C) | 3.1 in(78 mm) | 71% | 3.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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