May 21 - custom location - Weather History and Averages

High Temperatures

On May 21 in this location the average high temperature is 70.7 °F (21.5 °C). The lowest recored high temperature was 23.9 °F (-4.5 °C) in 2004 and the highest recored high temperature was 93.9 °F (34.4 °C) in 1977. The high temperature is usually* between 64.6 °F (18.1 °C) and 76.9 °F (24.9 °C). About a quarter of the time, the high temperature is less than 64.6 °F (18.1 °C), and another quarter of the time, the high temperature is greater than and 76.9 °F (24.9 °C). About 95% of the time, the high temperature has been between 52.9 °F (11.6 °C) and 88.6 °F (31.4 °C).

Low Temperatures

On May 21 in this location the average low temperature is 52.8 °F (11.6 °C). The lowest recored low temperature was 14.0 °F (-10.0 °C) in 2004 and the lowest recored low temperature was 73.4 °F (23.0 °C) in 2013. The low temperature is usually* between 47.9 °F (8.8 °C) and 57.8 °F (14.4 °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 57.8 °F (14.4 °C). About 95% of the time, the low temperature has been between 38.3 °F (3.5 °C) and 67.4 °F (19.6 °C).

Frost

On May 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.2% 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: