Average annual temperatures for cities, towns and parks throughout Alberta are given below. Our province is ranked number one by Environment Canada for having the most comfortable weather overall in Canada. When, how much and how often Calgary, Alberta has snow — with monthly and yearly averages for total days and amount of snowfall, snow accumulation, heavy snowstorms and first snowfall. Alberta is a four-season destination. Weather & Climate. Alberta in May. Annual Weather Averages Near Calgary. The average in this month is 14 mm | 0.6 inch. Alberta Climate Alberta has three different climates and is dominated by Dfb. Alberta … Climate data and weather averages in Edmonton. Alberta in June. Alberta. The tables list the maximum and minimum yearly temperatures, in degrees Celsius and Fahrenheit, based on weather data collected from 1981 to 2010. The least amount of rainfall occurs in November. Alberta in March. Alberta in April. Alberta in February. Most precipitation falls in … The Annual Climate of Calgary, Alberta Canada, showing a graph with the yearly temperature and rainfall averages. Based on weather reports collected during 1985–2015. Classifications. Alberta in January. Average Temperatures. Annual Weather Averages in Edmonton. Calgary Climate graph // Weather by Month. Based on weather reports collected during 1985–2015. Alberta Weather Averages. Classification Count Köppen-Geiger Examples; ... Click one of the graphs for more information. Summer: daytime highs are normally 20 to 25°C (68 to 77°F) but can reach the mid to upper 30s (90s). Averages are for Calgary International, which is 5 miles from Calgary. You can jump to a separate table for each section of the province: Southern, Central and Northern Alberta.