climigo

Fort Smith

Elevation 205 m60.01° N, 111.89° W

When to go?

The best months are June–August. Ideal for the aurora: January–March, October (long nights, often clear sky). Avoid November–December (freezing, at times extreme cold and dark), April (freezing).

What is the climate like?

Temperature and rain

January −17°−27° extreme cold
February −14°−25° extreme cold
March −6°−19° extreme cold
April 4°−9° snow likely
May 15°1°
June 21°8°
July 23°11°
August 21°9°
September 14°4°
October 4°−3°
November −7°−14° snow likely
December −15°−24° extreme cold

Monthly min and max temperature (°C)

−30°−25°−20°−15°−10°−5°0°5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDec−27.2 · −17.4 °CJanuary: −27.2 · −17.4 °C−25.4 · −13.7 °CFebruary: −25.4 · −13.7 °C−19.3 · −6.2 °CMarch: −19.3 · −6.2 °C−8.7 · 4.4 °CApril: −8.7 · 4.4 °C1.1 · 14.6 °CMay: 1.1 · 14.6 °C8.2 · 21.2 °CJune: 8.2 · 21.2 °C10.5 · 23.4 °CJuly: 10.5 · 23.4 °C8.5 · 20.9 °CAugust: 8.5 · 20.9 °C3.6 · 14.4 °CSeptember: 3.6 · 14.4 °C−3.1 · 4.4 °COctober: −3.1 · 4.4 °C−13.5 · −6.5 °CNovember: −13.5 · −6.5 °C−23.9 · −15.1 °CDecember: −23.9 · −15.1 °C

Monthly min and max temperature (°C)

Jan −27.2 – −17.4 °C
Feb −25.4 – −13.7 °C
Mar −19.3 – −6.2 °C
Apr −8.7 – 4.4 °C
May 1.1 – 14.6 °C
Jun 8.2 – 21.2 °C
Jul 10.5 – 23.4 °C
Aug 8.5 – 20.9 °C
Sep 3.6 – 14.4 °C
Oct −3.1 – 4.4 °C
Nov −13.5 – −6.5 °C
Dec −23.9 – −15.1 °C

How much it rains

January 19 mm5 d
February 12 mm3 d
March 14 mm4 d
April 16 mm4 d
May 27 mm5 d
June 44 mm7 d
July 57 mm9 d
August 56 mm9 d
September 42 mm8 d
October 30 mm7 d
November 24 mm6 d
December 18 mm5 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec19 mm · 5 rain days · 4 mm a dayJanuary: 19 mm · 5 rain days · 4 mm a day12 mm · 3 rain days · 4 mm a dayFebruary: 12 mm · 3 rain days · 4 mm a day14 mm · 4 rain days · 4 mm a dayMarch: 14 mm · 4 rain days · 4 mm a day16 mm · 4 rain days · 4 mm a dayApril: 16 mm · 4 rain days · 4 mm a day27 mm · 5 rain days · 5 mm a dayMay: 27 mm · 5 rain days · 5 mm a day44 mm · 7 rain days · 6 mm a dayJune: 44 mm · 7 rain days · 6 mm a day57 mm · 9 rain days · 6 mm a dayJuly: 57 mm · 9 rain days · 6 mm a day56 mm · 9 rain days · 6 mm a dayAugust: 56 mm · 9 rain days · 6 mm a day42 mm · 8 rain days · 5 mm a daySeptember: 42 mm · 8 rain days · 5 mm a day30 mm · 7 rain days · 4 mm a dayOctober: 30 mm · 7 rain days · 4 mm a day24 mm · 6 rain days · 4 mm a dayNovember: 24 mm · 6 rain days · 4 mm a day18 mm · 5 rain days · 4 mm a dayDecember: 18 mm · 5 rain days · 4 mm a day

Rain days and how much water

Jan 19 mm5 d
Feb 12 mm3 d
Mar 14 mm4 d
Apr 16 mm4 d
May 27 mm5 d
Jun 44 mm7 d
Jul 57 mm9 d
Aug 56 mm9 d
Sep 42 mm8 d
Oct 30 mm7 d
Nov 24 mm6 d
Dec 18 mm5 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 6 h 43
February 9 h 11
March 11 h 44
April 14 h 33
May 17 h 08
June 18 h 49
July 18 h 05
August 15 h 41
September 12 h 55
October 10 h 14
November 7 h 34
December 5 h 56

Daylight and sky: sunrise, sunset and cloud cover

03:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec↑ 09:15 · ↓ 15:58 · 6 h 43 · 75 % cloudJanuary: ↑ 09:15 · ↓ 15:58 · 6 h 43 · 75 % cloud↑ 08:06 · ↓ 17:17 · 9 h 11 · 68 % cloudFebruary: ↑ 08:06 · ↓ 17:17 · 9 h 11 · 68 % cloud↑ 07:45 · ↓ 19:28 · 11 h 44 · 64 % cloudMarch: ↑ 07:45 · ↓ 19:28 · 11 h 44 · 64 % cloud↑ 06:11 · ↓ 20:44 · 14 h 33 · 59 % cloudApril: ↑ 06:11 · ↓ 20:44 · 14 h 33 · 59 % cloud↑ 04:50 · ↓ 21:58 · 17 h 08 · 58 % cloudMay: ↑ 04:50 · ↓ 21:58 · 17 h 08 · 58 % cloud↑ 04:04 · ↓ 22:52 · 18 h 49 · 58 % cloudJune: ↑ 04:04 · ↓ 22:52 · 18 h 49 · 58 % cloud↑ 04:31 · ↓ 22:36 · 18 h 05 · 57 % cloudJuly: ↑ 04:31 · ↓ 22:36 · 18 h 05 · 57 % cloud↑ 05:42 · ↓ 21:22 · 15 h 41 · 61 % cloudAugust: ↑ 05:42 · ↓ 21:22 · 15 h 41 · 61 % cloud↑ 06:55 · ↓ 19:51 · 12 h 55 · 66 % cloudSeptember: ↑ 06:55 · ↓ 19:51 · 12 h 55 · 66 % cloud↑ 08:07 · ↓ 18:20 · 10 h 14 · 75 % cloudOctober: ↑ 08:07 · ↓ 18:20 · 10 h 14 · 75 % cloud↑ 08:25 · ↓ 15:59 · 7 h 34 · 83 % cloudNovember: ↑ 08:25 · ↓ 15:59 · 7 h 34 · 83 % cloud↑ 09:25 · ↓ 15:21 · 5 h 56 · 79 % cloudDecember: ↑ 09:25 · ↓ 15:21 · 5 h 56 · 79 % cloud

daylight under a clear sky (average share)daylight under cloud

Jan 6 h 43 75 % cloud
Feb 9 h 11 68 % cloud
Mar 11 h 44 64 % cloud
Apr 14 h 33 59 % cloud
May 17 h 08 58 % cloud
Jun 18 h 49 58 % cloud
Jul 18 h 05 57 % cloud
Aug 15 h 41 61 % cloud
Sep 12 h 55 66 % cloud
Oct 10 h 14 75 % cloud
Nov 7 h 34 83 % cloud
Dec 5 h 56 79 % cloud

daylight under a clear sky (average share)daylight under cloud

Times on the 15th of each month, in local time: daylight saving where and when it applies, standard time in the other months.

Snow on the ground

January 35 cm
February 42 cm
March 41 cm
April 23 cm
May 2 cm
June –
July –
August –
September –
October 2 cm
November 12 cm
December 25 cm

Mean snow depth on the ground (cm)

02550 cmJanFebMarAprMayJunJulAugSepOctNovDec35 cmJanuary: 35 cm42 cmFebruary: 42 cm41 cmMarch: 41 cm23 cmApril: 23 cm2 cmMay: 2 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm2 cmOctober: 2 cm12 cmNovember: 12 cm25 cmDecember: 25 cm

Mean snow depth on the ground (cm)

Jan 35 cm
Feb 42 cm
Mar 41 cm
Apr 23 cm
May 2 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 2 cm
Nov 12 cm
Dec 25 cm

Effect of climate change

Today's climate (1996–2025) compared with 1961–1990:

In short

Temperature +1.2 °C warmer
Rain mm ≈ rain days ≈ there were 73 rain days a year in 1961–1990
Snow ≈ no clear change

Year by year