May 21 - custom location - Weather History and Averages

High Temperatures

On May 21 in this location the average high temperature is 72.7 °F (22.6 °C). The lowest recored high temperature was 51.8 °F (11.0 °C) in 2019 and the highest recored high temperature was 88.0 °F (31.1 °C) in 2024. The high temperature is usually* between 66.1 °F (18.9 °C) and 79.4 °F (26.3 °C). About a quarter of the time, the high temperature is less than 66.1 °F (18.9 °C), and another quarter of the time, the high temperature is greater than and 79.4 °F (26.3 °C). About 95% of the time, the high temperature has been between 53.4 °F (11.9 °C) and 92.0 °F (33.4 °C).

Low Temperatures

On May 21 in this location the average low temperature is 51.4 °F (10.8 °C). The lowest recored low temperature was 30.0 °F (-1.1 °C) in 2002 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 2021. The low temperature is usually* between 45.6 °F (7.6 °C) and 57.2 °F (14.0 °C). About a quarter of the time, the low temperature is less than 45.6 °F (7.6 °C), and another quarter of the time, the low temperature is greater than and 57.2 °F (14.0 °C). About 95% of the time, the low temperature has been between 34.7 °F (1.5 °C) and 68.2 °F (20.1 °C).

Frost

On May 21 in this location expect the temperatures to drop below freezing for a risk of frost about 1.2% 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: