Hilo Climate by Month
Hilo, Hawaii, United States
Warm all year, with rain spread through the year.
Warm all year, with rain spread through the year: that's Hilo's climate in short. Expect highs of 83°F (29°C) in August and 79°F (26°C) in February, with the coldest nights (January) near 63°F (17°C). About 91 in (2321 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 83°F(29°C)
- Average high, August
- Coldest nights
- 63°F(17°C)
- Average low, January
- Rain per year
- 91 in(2321 mm)
- No clear rainy season
- Humidity
- 75%
- Sunniest: June
Best and worst months in Hilo
Best for weatherJune is the best time for weather in Hilo: highs near 82°F (28°C) and about 3.5 in (89 mm) of rain a month.
Least pleasantMarch and November are the least pleasant; March is the wettest, with 12 in (303 mm) of rain.
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 June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Hilo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 79°F(26°C) | 63°F(17°C) | 7.3 in(185 mm) | 74% | 3.8 |
| FebFebruary | 79°F(26°C) | 63°F(17°C) | 8.1 in(207 mm) | 74% | 4.2 |
| MarMarch | 79°F(26°C) | 64°F(18°C) | 12 in(303 mm) | 77% | 4.6 |
| AprApril | 80°F(27°C) | 65°F(18°C) | 8.3 in(212 mm) | 74% | 5.5 |
| MayMay | 81°F(27°C) | 66°F(19°C) | 5.9 in(149 mm) | 74% | 5.8 |
| JunJuneBest | 82°F(28°C) | 67°F(20°C) | 3.5 in(89 mm) | 75% | 5.9 |
| JulJuly | 83°F(28°C) | 69°F(20°C) | 5.5 in(140 mm) | 76% | 5.8 |
| AugAugust | 83°F(29°C) | 69°F(20°C) | 5.4 in(136 mm) | 75% | 5.6 |
| SepSeptember | 83°F(29°C) | 69°F(20°C) | 5.3 in(135 mm) | 75% | 5.3 |
| OctOctober | 83°F(28°C) | 68°F(20°C) | 8.2 in(208 mm) | 77% | 4.7 |
| NovNovember | 81°F(27°C) | 66°F(19°C) | 10 in(265 mm) | 78% | 3.8 |
| DecDecember | 79°F(26°C) | 64°F(18°C) | 11 in(292 mm) | 76% | 3.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Hilo →- 🇺🇸KaneoheHawaii, United States · Pop. 35k95%matchSame nighttime lowsSame daytime highsHilo vs Kaneohe →
- 🇺🇸KahuluiHawaii, United States · Pop. 26k89%matchDrier wet seasonHilo vs Kahului →
- 🇧🇷Salvador↻Seasons flipped. Bahia, Brazil · Pop. 2.7M87%matchSame sunshineSame humidityHilo vs Salvador →
- 🇧🇷Porto Seguro↻Seasons flipped. Bahia, Brazil · Pop. 183k86%matchDrier wet seasonHilo vs Porto Seguro →
- 🇧🇷Valença↻Seasons flipped. Bahia, Brazil · Pop. 98k86%matchSame daytime highsSimilar rainfallHilo vs Valença →