May 20 - custom location - Weather History and Averages

High Temperatures

On May 20 in this location the average high temperature is 68.6 °F (20.3 °C). The lowest recored high temperature was 60.1 °F (15.6 °C) in 1975 and the highest recored high temperature was 84.9 °F (29.4 °C) in 2017. The high temperature is usually* between 65.8 °F (18.8 °C) and 71.3 °F (21.8 °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 71.3 °F (21.8 °C). About 95% of the time, the high temperature has been between 60.7 °F (15.9 °C) and 76.5 °F (24.7 °C).

Low Temperatures

On May 20 in this location the average low temperature is 59.3 °F (15.2 °C). The lowest recored low temperature was 46.9 °F (8.3 °C) in 1972 and the lowest recored low temperature was 66.0 °F (18.9 °C) in 2009. The low temperature is usually* between 57.6 °F (14.2 °C) and 61.0 °F (16.1 °C). About a quarter of the time, the low temperature is less than 57.6 °F (14.2 °C), and another quarter of the time, the low temperature is greater than and 61.0 °F (16.1 °C). About 95% of the time, the low temperature has been between 54.3 °F (12.4 °C) and 64.3 °F (18.0 °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: