Canada · 1991–2020

Best time to visit
Evanston

For Evanston, July has the most comfortable weather in our climate comparison. Typical daytime highs are 23.2°C, nights average 9.8°C, and rainfall totals about 63 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.

Best all-round monthJuly

Typical daytime high23.2°C

Typical night-time low9.8°C

July rainfall63 mm

Overall comfort

July

Other strong months: August and September

79/100 weather score

Outdoor sightseeing

September

Other strong months: August and July

82/100 weather score

Make the answer personal

Choose the weather
that suits you.

Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.

Daytime high: at least 18°CDaytime high: at most 28°CMonthly rain: no more than 100 mmWet days: no more than 10

3 months fit your choices for Evanston

July23.2°C day · 63 mm rain · 9.1 wet days

August22.7°C day · 58 mm rain · 7.5 wet days

September18.3°C day · 36 mm rain · 6.1 wet days

The lowest comfort score is 5 out of 100. January, February, March, November and December share that score. In January, that is mainly because days reach only -1.6°C, 26° below the 24°C the score treats as ideal, and nights drop to -13.6°C.

Quick answers

Planning a trip to Evanston?

These answers come from the same measured monthly climate record shown on this page.

When is the best time to visit Evanston?

July is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23.2°C and 63 mm of rain.

What is the hottest month in Evanston?

July is hottest in this record, with a typical daytime high of 23.2°C and a night-time low of 9.8°C.

Which month has the least rain?

January has the lowest monthly rainfall total at 10 mm.

Is this a weather forecast?

No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.

Month by month

See how the weather
changes through the year.

The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.

5-1.6° / -13.6°

50.7° / -11.4°

54.1° / -7.8°

2210.6° / -2.1°

4415.9° / 3°

5319.3° / 7.4°

7923.2° / 9.8°

7722.7° / 8.8°

5918.3° / 4.4°

2711.4° / -1.4°

53.8° / -7.9°

5-0.4° / -12.4°

Monthly climate evidence for Evanston — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	-1.6°C	-13.6°C	10 mm	3.6	8 h 21	5	Good coverage
February	0.7°C	-11.4°C	11 mm	3.6	9 h 54	5	Good coverage
March	4.1°C	-7.8°C	18 mm	4.3	11 h 42	5	Good coverage
April	10.6°C	-2.1°C	31 mm	5.9	13 h 45	22	Good coverage
May	15.9°C	3°C	59 mm	8.3	15 h 32	44	Good coverage
June	19.3°C	7.4°C	109 mm	11.3	16 h 32	53	Good coverage
July	23.2°C	9.8°C	63 mm	9.1	16 h 08	79	Good coverage
August	22.7°C	8.8°C	58 mm	7.5	14 h 34	77	Good coverage
September	18.3°C	4.4°C	36 mm	6.1	12 h 34	59	Good coverage
October	11.4°C	-1.4°C	17 mm	4.7	10 h 35	27	Good coverage
November	3.8°C	-7.9°C	14 mm	3.7	8 h 49	5	Good coverage
December	-0.4°C	-12.4°C	11 mm	3.4	7 h 55	5	Good coverage

Records at CALGARY INT'L A, 1881–2012
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	17.6°C7 Jan 2003	-44.4°C31 Jan 1893	25 mm3 Jan 1913	44 mm1954 · driest 0 mm in 1898	129
February	22.6°C27 Feb 1992	-45.0°C4 Feb 1893	28 mm10 Feb 1951	49 mm1896 · driest 0 mm in 1999	129
March	25.4°C30 Mar 2004	-37.2°C8 Mar 1951	25 mm16 Mar 1998	61 mm1924 · driest 0 mm in 1891	129
April	29.4°C29 Apr 1926	-30.0°C2 Apr 1954	46 mm21 Apr 1932	98 mm1932 · driest 0 mm in 1889	128
May	32.4°C30 May 1986	-16.7°C1 May 1954	65 mm18 May 1902	226 mm1902 · driest 2 mm in 1892	128
June	35.0°C26 Jun 1926	-3.3°C8 Jun 1891	79 mm1 Jun 1932	248 mm2005 · driest 7 mm in 1918	129
July	36.1°C15 Jul 1919	-0.6°C5 Jul 1884	95 mm15 Jul 1927	245 mm1927 · driest 3 mm in 1894	128
August	35.6°C3 Aug 1914	-3.2°C25 Aug 1992	81 mm25 Aug 1945	239 mm1899 · driest 0 mm in 1886	128
September	33.3°C1 Sep 1967	-13.3°C24 Sep 1926	93 mm12 Sep 1985	233 mm1926 · driest 0 mm in 1885	128
October	29.4°C6 Oct 1889	-25.7°C31 Oct 1984	46 mm1 Oct 1915	76 mm1939 · driest 0 mm in 1885	128
November	22.8°C4 Nov 1975	-35.0°C30 Nov 1893	36 mm13 Nov 1914	70 mm1914 · driest 0 mm in 1949	129
December	19.5°C27 Dec 1999	-42.8°C17 Dec 1924	22 mm11 Dec 1889	57 mm1924 · driest 0 mm in 1905	129

Typical days per month at CALGARY INT'L A, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	29	0	8
February	0	0	28	0	7
March	0	0	29	<1	9
April	0	0	20	<1	7
May	2	0	7	2	3
June	3	<1	<1	4	<1
July	11	2	0	2	0
August	11	2	<1	2	<1
September	5	<1	4	<1	1
October	<1	0	18	<1	4
November	0	0	28	0	7
December	0	0	30	<1	7

How often different weather occurs at CALGARY INT'L A, based on its daily record
Month	Dry days reaching 20°C	Wet days	Days with heavy rain	Weeks with 3+ wet days	Typical high by year
January	0%	13%	<1%	8%	-10.6–3.1°C
February	0%	14%	<1%	11%	-7.9–3.9°C
March	<1%	17%	1%	14%	-2.2–7.9°C
April	9%	18%	2%	17%	7.0–14.9°C
May	29%	25%	5%	30%	14.2–19.1°C
June	45%	34%	9%	43%	18.0–22.6°C
July	66%	27%	7%	30%	21.3–26.4°C
August	63%	24%	5%	26%	19.7–25.8°C
September	39%	20%	4%	20%	14.2–21.1°C
October	15%	13%	1%	7%	8.6–15.2°C
November	<1%	12%	<1%	10%	-1.4–8.5°C
December	0%	11%	<1%	8%	-7.1–3.8°C

A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.

1885Each stripe is one year’s mean temperature against the 126-year average. Warmest: 1987. Coolest: 1951.2011

The evidence behind this page

Where these figures
come from.

Place identity: GeoNames 7839094
NOAA station: CA003031093 · CALGARY INT'L A
Station distance: 9.1 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 21 usable years
Daylight: Calculated from latitude 51.16°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

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The weather comparison for Evanston is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

How travel partnerships will work

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