May 21 - custom location - Weather History and Averages

High Temperatures

On May 21 in this location the average high temperature is 71.8 °F (22.1 °C). The lowest recored high temperature was 23.9 °F (-4.5 °C) in 2004 and the highest recored high temperature was 91.0 °F (32.8 °C) in 1977. The high temperature is usually* between 65.8 °F (18.8 °C) and 77.7 °F (25.4 °C). About a quarter of the time, the high temperature is less than 65.8 °F (18.8 °C), and another quarter of the time, the high temperature is greater than and 77.7 °F (25.4 °C). About 95% of the time, the high temperature has been between 54.6 °F (12.5 °C) and 89.0 °F (31.6 °C).

Low Temperatures

On May 21 in this location the average low temperature is 51.6 °F (10.9 °C). The lowest recored low temperature was 14.0 °F (-10.0 °C) in 2004 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 2013. The low temperature is usually* between 46.5 °F (8.1 °C) and 56.7 °F (13.7 °C). About a quarter of the time, the low temperature is less than 46.5 °F (8.1 °C), and another quarter of the time, the low temperature is greater than and 56.7 °F (13.7 °C). About 95% of the time, the low temperature has been between 36.9 °F (2.7 °C) and 66.3 °F (19.1 °C).

Frost

On May 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.5% 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: