WorldClimate SAINT HELENA, NAPA COUNTY, CALIFORNIA USA

Weather station SAINT HELENA, NAPA COUNTY is at about 38.50°N 122.46°W. Height about 68m / 223 feet above sea level.

Heating Degree Days

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
°C 323 228 217 157 68 16 2 0 17 68 208 316 1626
°F 581 410 391 283 122 29 4 0 31 122 374 569 2927
Source: SAINT HELENA, NAPA COUNTY data derived from NCDC TD 9641 Clim 81 1961-1990 Normals. 30 years between 1961 and 1990

Map of the area around SAINT HELENA, NAPA COUNTY from tiger.census.gov.
Locations outside the continental US are not mapped.

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