May 21 - custom location - Weather History and Averages

High Temperatures

On May 21 in this location the average high temperature is 71.0 °F (21.7 °C). The lowest recored high temperature was 51.8 °F (11.0 °C) in 2002 and the highest recored high temperature was 93.9 °F (34.4 °C) in 1977. The high temperature is usually* between 64.8 °F (18.2 °C) and 77.3 °F (25.2 °C). About a quarter of the time, the high temperature is less than 64.8 °F (18.2 °C), and another quarter of the time, the high temperature is greater than and 77.3 °F (25.2 °C). About 95% of the time, the high temperature has been between 52.8 °F (11.6 °C) and 89.3 °F (31.8 °C).

Low Temperatures

On May 21 in this location the average low temperature is 53.2 °F (11.8 °C). The lowest recored low temperature was 33.8 °F (1.0 °C) in 2002 and the lowest recored low temperature was 73.4 °F (23.0 °C) in 2013. The low temperature is usually* between 48.2 °F (9.0 °C) and 58.2 °F (14.5 °C). About a quarter of the time, the low temperature is less than 48.2 °F (9.0 °C), and another quarter of the time, the low temperature is greater than and 58.2 °F (14.5 °C). About 95% of the time, the low temperature has been between 38.7 °F (3.7 °C) and 67.7 °F (19.8 °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: