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Weather extremes

How extreme does Kamloops's weather get?

The hottest, coldest, wettest and snowiest days Kamloops has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 50+ years of daily weather observations (1971–present), from the Kamloops A station 10 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Kamloops has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
117°F Jun 30, 2021

That is about 40°F hotter than a normal June afternoon in Kamloops (typical high near 77°F).

The three most extreme on record

1 117°F Jun 30, 2021recent
2 116°F Jul 1, 2021
3 111°F Jun 28, 2021
❄️ Coldest night
-24°F Dec 27, 1971

About 47°F colder than a normal December night in Kamloops (typical low near 23°F).

The three most extreme on record

1 -24°F Dec 27, 1971
2 -24°F Dec 29, 1990
3 -23°F Dec 22, 2022
🌧️ Most rain in one day
1.97 in Feb 11, 2018

More rain in a single day than Kamloops usually gets in the whole month of February (typical February total about 0.6 in).

The three most extreme on record

1 1.97 in Feb 11, 2018
2 1.89 in Aug 16, 1976
3 1.65 in Jan 5, 2015
Most snow in one day
11.9 in Nov 25, 1977

Close to a whole typical November's snow in one day (Kamloops averages about 4 in across the month).

The three most extreme on record

1 11.9 in Nov 25, 1977
2 9.2 in Dec 22, 1971
3 8.1 in Dec 4, 1971

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

-50°-30°-10°10°30°50°70°90°110°130° all-time high 117°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Kamloops's record heat sits well above even a hot day for the season — June's 117°F is about 40°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Kamloops's warmest days reach the mid-80s°F and its coldest nights drop to the low 20s°F. But across the record it has gone as high as 117°F and as low as −24°F. A single day has delivered over 2 inches of rain or close to 12 inches of snow. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 22 years of daily observations at Kamloops A, a weather station, about 9 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →