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Climate normals are 30-year averages of temperature, precipitation and snowfall. Here's what NOAA's 1991–2020 normals mean, how they're made and how to use them.

Honolulu, Miami, Orlando and Tampa are the warmest major US cities in winter. Compare average December–February highs and pick a sunny cold-season escape.

Miami, New Orleans and Memphis top the list of rainiest big US cities by annual inches. See the data — and why famously 'rainy' Seattle gets less total rain than the Gulf Coast.

Average high, average low, mean temperature, record vs normal — here's what each weather statistic means and how to use them to plan a trip, with worked examples.

The best time to visit Florida is November to April — warm, sunny and dry, before the humid summer storm season. Compare Miami, Orlando and Tampa weather month by month.

Spring (March–May) and autumn (October–November) are the best times to visit the desert Southwest — warm, dry and comfortable before the brutal summer heat. See the monthly data.

A side-by-side look at US cities by annual precipitation, from soggy Miami (67 in) to arid Albuquerque (under 10 in) and Las Vegas (about 5 in). See the full spread with NOAA data.