Sidney (MT) Climate by Month
The temperature in Sidney can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and very cold during the cooler months.
Sidney has a dry climate with relatively low precipitation levels.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
Visitors to Sidney can expect significant temperature changes throughout the year. Average daytime temperatures range from a very warm 30°C in July, the warmest time of the year, to a very cold -3°C during cooler months like December. At night, temperatures typically average around -14°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Sidney typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 413 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, May receives moderate rainfall, averaging 82 mm of precipitation, recorded across 12 rainy days. In contrast, the drier season, February brings less snowfall, with 8.9 mm over 5 snowy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit Sidney in the United States of America
During the months of May, June and September 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:
Yes, the months of January, February, March, November and December are very dry.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of -3°C.
May tops the wettest month list with 82 mm of rainfall.
February is the driest month with 9 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.
