In Harvey, summers are warm, humid, and wet; winters are cold, snowy, and windy; and partly cloudy all year round. Throughout the year, temperatures typically range from 19°F to 84°F and are rarely below 1°F or above 92°F.

Average temperature in Harvey

The warm season lasts 3.7 months, from May 27 to September 18, with average daily high temperatures above 73°F. The hottest month of the year in Harvey is July with an average high of 83°F and a low of 66°F.

The cold season lasts 3.1 months, from November 30 to March 3, with average daily high temperatures below 42°F. The coldest month of the year in Harvey is January, with an average minimum temperature of 20°F and a maximum of 32°F.

Clouds

In Harvey, the average percentage of the sky is covered by clouds experiences significant seasonal variations throughout the year.

The clear part of the year in Harvey begins around June 12 and lasts 4.5 months, ending around October 27.

The clearest month of the year in Harvey is August, during which on average the sky is clear, mostly clear or partly cloudy 67% of the time.

The cloudier part of the year begins around October 27 and lasts 7.5 months, ending around June 12.

The cloudiest month of the year in Harvey is January, with an average of 58% clear or mostly cloudy skies 58% of the time.

Precipitation

A rainy day is a day with at least 0.04 inches of liquid or liquid equivalent precipitation. The probability of wet days in Harvey varies throughout the year.

The rainy season lasts 7.1 months, from March 26 to October 31, with a 26% chance of a given day being wet. The month with the most wet days in Harvey is June, with an average of 10.9 wet days with at least 0.04 inches of rainfall.

The drier season lasts 4.9 months from October 31 to March 26. The month with the least amount of wet days in Harvey is February, with an average of 4.8 days with at least 0.04 inches of rain.

Among the rainy days, we distinguish between those with only rain, snow, or a mixture of both. The month with the highest number of rainy days in Harvey alone is June, with an average of 10.9 days. Based on this classification, the most common form of precipitation during the year is rain only, with a maximum probability of 38% on June 12.