May 21 - custom location - Weather History and Averages

High Temperatures

On May 21 in this location the average high temperature is 70.4 °F (21.4 °C). The lowest recored high temperature was 48.7 °F (9.3 °C) in 2019 and the highest recored high temperature was 90.0 °F (32.2 °C) in 1987. The high temperature is usually* between 63.6 °F (17.6 °C) and 77.3 °F (25.1 °C). About a quarter of the time, the high temperature is less than 63.6 °F (17.6 °C), and another quarter of the time, the high temperature is greater than and 77.3 °F (25.1 °C). About 95% of the time, the high temperature has been between 50.6 °F (10.3 °C) and 90.2 °F (32.4 °C).

Low Temperatures

On May 21 in this location the average low temperature is 52.5 °F (11.4 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 1954 and the lowest recored low temperature was 67.3 °F (19.6 °C) in 2009. The low temperature is usually* between 47.9 °F (8.8 °C) and 57.2 °F (14.0 °C). About a quarter of the time, the low temperature is less than 47.9 °F (8.8 °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 39.0 °F (3.9 °C) and 66.0 °F (18.9 °C).

Frost

On May 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: