Weather in Cariboo Regional District

Calculated from weather data of Williams Lake Airport (CYWL) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	-2.5	-4.3	0.4	-3.7	0.6	-3.0
February	-3.6	0.7	-1.0	1.3	-4.2	1.3
March	4.8	6.7	3.9	6.0	5.9	2.9
April	9.9		10.1	7.9	11.6	9.1
May	17.8		21.6	13.5	15.6	16.8
June	20.4		22.6	18.6	22.6	18.1
July	23.7		24.8	24.1	26.8	21.1
August	23.7		24.6	26.1	23.6	21.1
September	18.2		19.3	22.1	17.5	19.3
October	10.1		12.1	15.6	9.0	6.5
November	2.3		4.4	-4.3	4.2	2.9
December	-4.9		2.3	-11.4	-10.1	1.8
Average	9.2	1.2	12.2	10.6	10.4	9.8

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	-8.0	-10	-5	-9	-7	-10
February	-11.5	-7	-8	-7	-12	-6
March	-6.8	-5	-8	-3	-3	-7
April	-1.1		0	-2	-1	-2
May	5.8		8	3	5	5
June	8.7		9	8	11	8
July	11.0		11	12	13	10
August	10.7		11	13	11	10
September	6.4		7	8	7	8
October	0.8		1	4	1	0
November	-4.1		-2	-10	-2	-4
December	-9.5		-2	-18	-16	-4
Average	-1.5	-8.8	2.0	0.6	0.6	0.7

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	3	9	13	2
25 °C or warmer	0	49	44	40	15
20 °C or warmer	0	113	83	81	55
0 °C or colder	75	144	137	155	158

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	14.5	20	15	15	9	15
February	24.3	22	34	18	20	19
March	11.3	5	11	12	7	9
April	7.7		3	7	8	6
May	7.1		5	10	5	11
June	8.5		7	16	5	12
July	6.7		2	3	1	16
August	6.0		8	5	7	6
September	8.0		6	3	11	7
October	11.7		3	4	11	27
November	10.9		5	20	10	12
December	15.5		19	24	17	5
Average	11.0	15.0	8.8	10.4	8.6	11.7

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	15.3	16	15	13	16	18
February	13.3	11	17	15	12	15
March	13.2	13	11	14	17	14
April	13.4		16	15	12	12
May	11.2		10	13	11	12
June	11.0		11	13	10	11
July	8.5		8	8	8	8
August	8.7		9	8	9	9
September	11.0		12	10	13	10
October	13.6		15	12	15	11
November	15.4		16	14	18	17
December	13.4		18	11	11	13
Average	12.2	13.3	12.5	11.9	12.3	12.1

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	SE	SE	SE	SE	SE
February	SE	SE	SE	SE	SE
March	SE	SE	E	SE	S
April		SE	SE	W	SW
May		NW	S	S	SE
June		W	E	SE	SE
July		W	S	NW	SW
August		W	S	W	SE
September		SE	SE	SE	SE
October		SE	SE	SE	SE
November		SE	SE	SE	SE
December		SE	SE	SE	SE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Cariboo Regional District weather Q&A

What is the warmest month in Cariboo Regional District?

The warmest month is July with an average temperature of 24 °C over the past years.

What is the coldest month in Cariboo Regional District?

The coldest month is December with an average daytime temperature of -3 °C in the past few years.

Which month is the wettest in Cariboo Regional District?

Chance of precipitation is the highest in February with a probability of around 24.4 %.

Which month is the driest in Cariboo Regional District?

The least rainfall and snow can be expected in August. The probability is about 6.1 %.