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Jasper in May: weather & travel advice

This month's data profile

Rain shapes the decision

Jasper in May is climatically mixed. The average daily high is around 9 °C. With about 17 rainy days it is very wet.

Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.

Rank among 12 monthly averages

34/100 · #6

Warmth

Dryness

#10

Sun

Published best categories: none

Maligne Lake and Spirit Island in Jasper National Park

Jasper · MayPhoto: Joli Rumi · CC BY-SA 4.0

Average high: 9 °C
Average low: -2 °C
Rainy days (est.): 17 rainy days (est.)
Sun (est.): 6 h/day
Humidity: 73 %

Climate evidence with direct month comparison

The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.

Climate averages for Jasper: selected and adjacent months
Month	Avg high °C	Avg low °C	Rainy days (est.)	Precipitation mm	Sun h/day (est.)	Humidity %	Wind m/s	Score
April	2	-8	14	46	5.3	82	0.4	32
May (selected)	9	-2	17	74	6.3	73	0.3	34
June	14	3	19	104	6.6	73	0.2	40

How do the previous and next months compare?

Baseline: May (34/100)

Positive and negative values show the change from the selected month.

	Score Δ	Average high Δ	Average low Δ	Rainy days Δ	Rain Δ	Sun Δ	Humidity Δ	Wind Δ
April	-2	-7.6 °C	-6.3 °C	-3.1	-27.2 mm	-1 h	+9 %	+0.1 m/s
June	+6	+4.3 °C	+4.1 °C	+2.6	+30.3 mm	+0.3 h	-0.4 %	-0.1 m/s

All twelve months in context

JanUnsuitable30 FebUnsuitable35 MarUnsuitable28 AprUnsuitable32 MayUnsuitable34 JunUnsuitable40 JulLimited52 AugLimited54 SepUnsuitable43 OctUnsuitable31 NovUnsuitable26 DecUnsuitable31

Rainy days (estimated)

Sunshine hours (estimated)h/day

Average daily high°C

-8

-6

-3

-4

-9

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Where to stay in Jasper

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Useful next decisions

Jasper · Month by month

Banff · May Aspen · May Rovaniemi · May Breckenridge · May

Frequently asked questions

How warm is Jasper in May?

The average daily high is around 9 °C, with an average daily low of about -2 °C.

Does it rain a lot in Jasper in May?

The curated estimate is about 17 rainy days per month, not a directly measured long-term average. Total precipitation averages around 74 mm for the month. A rainy day does not mean all-day rain.

When is the best time to visit Jasper?

No month in Jasper reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.