Climate Normals API
What the weather is NORMALLY like, anywhere in the US: NOAA''s official 30-year climate normals (1991-2020) for 15,616 weather stations, 187,392 monthly records. For any coordinate, the climate endpoint finds the nearest station with full temperature normals and returns the month-by-month story — average highs and lows, diurnal range, precipitation and rainy days, snowfall, freeze days, 90-degree days, heating and cooling degree days. Drop a pin on Manhattan and get Central Park (8 km away): 39.5F January highs, 84.9F July, 29.8 inches of annual snow. Ask Phoenix in July: 106.5F average highs and 30.8 days over 90. Rankings answer the fun and the practical alike — the snowiest place in America is Crater Lake at 463 inches a year, the driest is Death Valley at 2. Every station also carries annual aggregates: average temperature, total precipitation and snowfall, degree days, hottest/coldest/wettest month. Built for travel planning, real estate, HVAC and solar sizing, agriculture, insurance and any product that answers what is it like there? Public-domain NOAA data, self-hosted — no third-party calls at request time.
{
"ok": true,
"query": {
"lat": 40.7128,
"lon": -74.006
},
"distance_km": 8.1,
"station": {
"id": "USW00094728",
"name": "NEW YORK CNTRL PK TWR",
"state": "NY",
"latitude": 40.78,
"longitude": -73.97,
"elevation_m": 39.6,
"annual": {
"avg_temp_f": 55.8,
"avg_high_f": 62.6,
"avg_low_f": 48.9,
"precipitation_in": 49.5,
"snowfall_in": 29.8,
"heating_degree_days": 4553.4,
"cooling_degree_days": 1221.5,
"hottest_month": 7,
"coldest_month": 1,
"wettest_month": 7
}
},
"monthly": [
{
"month": 1,
"avg_temp_f": 33.7,
"avg_high_f": 39.5,
"avg_low_f": 27.9,
"diurnal_range_f": 11.5,
"precipitation_in": 3.64,
"precip_days": 10.8,
"rainy_days": 2.5,
"snowfall_in": 8.8,
"freeze_days": 20.5,
"hot_days": 0,
"ice_days": 7.4,
"heating_degree_days": 970.1,
"cooling_degree_days": 0
}
]
}Why developers pick this API
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