May 20 - custom location - Weather History and Averages

High Temperatures

On May 20 in this location the average high temperature is 69.6 °F (20.9 °C). The lowest recored high temperature was 59.0 °F (15.0 °C) in 1975 and the highest recored high temperature was 93.9 °F (34.4 °C) in 1988. The high temperature is usually* between 66.6 °F (19.2 °C) and 72.6 °F (22.6 °C). About a quarter of the time, the high temperature is less than 66.6 °F (19.2 °C), and another quarter of the time, the high temperature is greater than and 72.6 °F (22.6 °C). About 95% of the time, the high temperature has been between 60.9 °F (16.0 °C) and 78.4 °F (25.8 °C).

Low Temperatures

On May 20 in this location the average low temperature is 57.8 °F (14.3 °C). The lowest recored low temperature was 1.9 °F (-16.7 °C) in 2024 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 2008. The low temperature is usually* between 55.9 °F (13.3 °C) and 59.6 °F (15.3 °C). About a quarter of the time, the low temperature is less than 55.9 °F (13.3 °C), and another quarter of the time, the low temperature is greater than and 59.6 °F (15.3 °C). About 95% of the time, the low temperature has been between 52.5 °F (11.4 °C) and 63.1 °F (17.3 °C).

Frost

On May 20 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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: