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Grayson (KY) Weather and Climate: A Comprehensive Guide

The temperature in Grayson can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also experiences much rain/snowfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Visitors to Grayson can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C in August. In January, the coolest month of the year, temperatures drop to a chilly 5°C.

At night, you can expect cooler temperatures, with averages dropping to around -6°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Grayson is known for its substantial rain/snowfall, with annual precipitation reaching 1190 mm. Grayson can be quite wet during July, receiving approximately 153 mm of precipitation over 14 rainy days.

In contrast November, experiences much drier conditions, with 68 mm of rainfall, spread across 10 rainy days. For more details, please visit our Grayson Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Grayson (KY)

Sun   Dec 22
0°C | -8°C
E 2 m/s
almost clear and no rain

almost clear and no rain

Mon   Dec 23
9°C | -6°C
S 4 m/s
clear and no rain

clear and no rain

Tue   Dec 24
9°C | 2°C
SW 3 m/s
1.5 mm
overcast and rain

overcast and rain

The best time of year to visit Grayson in the United States of America

During the months of April and May you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Grayson?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Grayson?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Grayson?
    July tops the wettest month list with 153 mm of rainfall.
  • Which is the driest month in Grayson?
    November is the driest month with 68 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.