Kachemak Bay National Estuarine Research Reserve
- Annual mean
- 2.8 °C
- Warmest month
- July
- Wettest month
- September
Detailed annual analysis of temperature, precipitation, and daylight across twelve months.
At the representative location for Katmai National Park and Preserve, monthly mean temperatures range from -9.7 to 10.7 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.
Tracing the relationship between monthly temperature ranges and daily precipitation across the year
Analyze seasonal variations in average temperature bounds, daily precipitation rates, wind, and calculated daylight hours
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -9.7 °C-31.2° to 0.9° | 3.5 mm/day | 95.4% | 5.1 m/s | 6.9 hours |
| February | -8 °C-27.7° to 0.8° | 3.4 mm/day | 95.2% | 5.1 m/s | 9 hours |
| March | -7.8 °C-24.8° to 0.9° | 2.5 mm/day | 93.5% | 4.8 m/s | 11.5 hours |
| April | -2.4 °C-15.5° to 3.2° | 3 mm/day | 92.8% | 4.3 m/s | 14.1 hours |
| May | 2.9 °C-4.6° to 12.8° | 3 mm/day | 87.6% | 3.9 m/s | 16.5 hours |
| June | 8 °C1.2° to 18.4° | 3.1 mm/day | 83% | 3.6 m/s | 17.9 hours |
| July | 10.7 °C4.6° to 20.6° | 3.5 mm/day | 84.1% | 3.4 m/s | 17.2 hours |
| August | 9.8 °C3.2° to 18.8° | 4.1 mm/day | 86.4% | 3.8 m/s | 15.1 hours |
| September | 5.8 °C-2.2° to 13.7° | 5.1 mm/day | 89.1% | 4.3 m/s | 12.4 hours |
| October | -0.4 °C-12.3° to 7.9° | 4.1 mm/day | 92.9% | 4.5 m/s | 9.8 hours |
| November | -6.3 °C-22.8° to 2.7° | 3.8 mm/day | 95.9% | 4.8 m/s | 7.4 hours |
| December | -9 °C-28° to 1.3° | 4.1 mm/day | 96.3% | 5.2 m/s | 6.1 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Comparing monthly averages for temperature, precipitation, wind, and daylight across the annual cycle
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Contrast seasonal temperature and precipitation patterns across diverse regional landscapes
Explore the map, landscapes, and protection details for Katmai National Park and Preserve.