The best time to visit Lethbridge
Month-by-month climate averages for Lethbridge, Alberta, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Lethbridge is usually May, July, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest June rain is behind you.
Lethbridge is warmest in July (highs near 25°C) and coldest in January (lows around -10°C), with roughly 392 mm of precipitation across the year and June the wettest month. The sweet spot for most visitors is May, July, August and September. Expect overnight frost in January, February, March, April, November and December.
These are long-run averages. For the actual days you are travelling, check the live Lethbridge forecast - and note how much the models agree, because that tells you how much to trust it.
Lethbridge weather by month
what to expect in Lethbridge through the year, 1991-2020 averagesHere is Lethbridge's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Lethbridge by season.