May 21 - custom location - Weather History and Averages

High Temperatures

On May 21 in this location the average high temperature is 71.9 °F (22.2 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 1975 and the highest recored high temperature was 91.2 °F (32.9 °C) in 1958. The high temperature is usually* between 66.7 °F (19.3 °C) and 77.1 °F (25.1 °C). About a quarter of the time, the high temperature is less than 66.7 °F (19.3 °C), and another quarter of the time, the high temperature is greater than and 77.1 °F (25.1 °C). About 95% of the time, the high temperature has been between 56.8 °F (13.8 °C) and 87.1 °F (30.6 °C).

Low Temperatures

On May 21 in this location the average low temperature is 51.0 °F (10.5 °C). The lowest recored low temperature was 28.4 °F (-2.0 °C) in 2002 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 2013. The low temperature is usually* between 46.4 °F (8.0 °C) and 55.6 °F (13.1 °C). About a quarter of the time, the low temperature is less than 46.4 °F (8.0 °C), and another quarter of the time, the low temperature is greater than and 55.6 °F (13.1 °C). About 95% of the time, the low temperature has been between 37.6 °F (3.1 °C) and 64.3 °F (17.9 °C).

Frost

On May 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.3% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: