May 21 - custom location - Weather History and Averages

High Temperatures

On May 21 in this location the average high temperature is 73.7 °F (23.2 °C). The lowest recored high temperature was 52.9 °F (11.6 °C) in 1986 and the highest recored high temperature was 93.9 °F (34.4 °C) in 1977. The high temperature is usually* between 67.3 °F (19.6 °C) and 80.1 °F (26.7 °C). About a quarter of the time, the high temperature is less than 67.3 °F (19.6 °C), and another quarter of the time, the high temperature is greater than and 80.1 °F (26.7 °C). About 95% of the time, the high temperature has been between 55.1 °F (12.8 °C) and 92.3 °F (33.5 °C).

Low Temperatures

On May 21 in this location the average low temperature is 51.2 °F (10.7 °C). The lowest recored low temperature was 34.0 °F (1.1 °C) in 1964 and the lowest recored low temperature was 72.7 °F (22.6 °C) in 2013. The low temperature is usually* between 45.8 °F (7.7 °C) and 56.6 °F (13.6 °C). About a quarter of the time, the low temperature is less than 45.8 °F (7.7 °C), and another quarter of the time, the low temperature is greater than and 56.6 °F (13.6 °C). About 95% of the time, the low temperature has been between 35.6 °F (2.0 °C) and 66.8 °F (19.3 °C).

Frost

On May 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.8% 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: