Temperature
Cool by day, freezing at night.
Mauna Loa Observatory is usually most comfortable in July and August. Typical daytime highs range from 50–59°F across the year. Most months see little rain.

Cool by day, freezing at night.
Several rainy days. About 8 wet days this month.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 44° and nights feel near 27°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 48°F, easing to about 41°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 51 | 30 | 2.2 | 7 | 10.2 | 62 |
| Feb | 50 | 30 | 2.8 | 8 | 10.1 | 66 |
| Mar | 50 | 31 | 4.1 | 13 | 10.3 | 70 |
| Apr | 52 | 32 | 2.6 | 10 | 11.3 | 69 |
| May | 55 | 34 | 2.5 | 9 | 11.7 | 66 |
| Jun | 57 | 34 | 1.0 | 5 | 12.5 | 59 |
| Jul | 59 | 36 | 1.8 | 7 | 12.6 | 58 |
| Aug | 58 | 36 | 3.2 | 8 | 12.0 | 62 |
| Sep | 57 | 36 | 1.9 | 8 | 11.3 | 67 |
| Oct | 56 | 35 | 2.2 | 7 | 10.9 | 66 |
| Nov | 53 | 33 | 2.5 | 8 | 10.1 | 68 |
| Dec | 51 | 31 | 2.9 | 8 | 9.9 | 67 |
Similar climates
Want a side-by-side climate view? Compare Mauna Loa Observatory with Bangkok.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology