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Historical Eureka Weather Data
| Record High Temp (°F) |
Normal High Temp (°F) |
Normal Low Temp (°F) |
Record Low Temp (°F) |
Normal Monthly Precipitation (in.) |
Normal Monthly Snowfall (in.) |
|
|---|---|---|---|---|---|---|
| January | 78 | 55 | 40.8 | 25 | 5.97 | 0.1 |
| February | 85 | 55.9 | 41.8 | 27 | 5.51 | 0.1 |
| March | 78 | 56.1 | 42.2 | 29 | 5.55 | T |
| April | 80 | 57.4 | 44 | 32 | 2.91 | T |
| May | 84 | 59.6 | 47.6 | 35 | 1.62 | 0 |
| June | 85 | 61.8 | 50.7 | 40 | 0.65 | 0 |
| July | 76 | 63.3 | 52.8 | 45 | 0.16 | 0 |
| August | 82 | 63.9 | 53.4 | 44 | 0.38 | 0 |
| September | 86 | 63.6 | 51.2 | 41 | 0.86 | 0 |
| October | 87 | 61.3 | 47.7 | 32 | 2.36 | 0 |
| November | 78 | 58 | 43.9 | 29 | 5.78 | 0 |
| December | 77 | 55.1 | 40.6 | 21 | 6.35 | T |
