Granby weather in January

In January, Granby sees average daytime highs of -5°C and overnight lows near -13°C, with 78 mm of precipitation across 12.1 wet days and about 8.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near -5°C through the month. The sky is clear or mostly clear about 16% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Granby's 10th-clearest and 3rd-windiest month. For the whole year in context, see Granby's year-round climate.

Daytime high
-5°
12th warmest
Overnight low
-13°
1st coldest
Precipitation
78 mm
12.1 wet days
Daylight
8 h 54 min
7:33 AM – 4:27 PM
Cloud cover
72%
10th clearest
Wind
12 km/h
3rd windiest
Solar energy
1.61 kWh/m²
Travel score
0.0
out of 10

Granby is city in Estrie, Quebec, Canada.

Density
424/km²
people per km²
Founded
1859

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -5°C through the month.

A typical January day in Granby reaches about -5°C in the afternoon and slips back to -13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -14°C and 4°C. Set against its neighbours, January runs about 4°C cooler than December and about 2°C cooler than February.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-3-11
2-4-12
3-4-12
4-4-12
5-4-12
6-4-12
7-4-12
8-4-13
9-4-13
10-4-13
11-5-13
12-5-13
13-5-13
14-5-13
15-5-14
16-5-14
17-5-14
18-5-14
19-5-14
20-5-14
21-5-14
22-5-14
23-5-14
24-5-14
25-5-14
26-5-14
27-5-14
28-5-14
29-5-14
30-5-14
31-5-14

How January really feels in Granby

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
31 feel bitter (≤ -10°C)

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Granby weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -13°7812.111.18.90.0
Feb-3° / -13°6410.19.410.10.0
Mar / -7°7811.47.711.60.1
Apr11° / 9912.3313.22.4
May18° / 10812.90.214.75.3
Jun23° / 13°11813.5015.46.2
Jul25° / 15°10813.7015.16.2
Aug24° / 14°11112.7013.96.6
Sep20° / 10°9810.9012.36.1
Oct13° / 11412.60.710.73.2
Nov / -2°9012.64.99.30.4
Dec-1° / -9°901310.38.60.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22773
32773
42773
52674
62674
72773
82773
92773
102872
112872
122971
132971
143070
153169
163268
173367
183367
193367
203466
213565
223565
233664
243664
253664
263664
273664
283565
293565
303664
313466

Chance of precipitation in January

Any precipitationSnow

Granby gets around 78 mm of rain and snow over 12.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 44% on the wettest days, and about 11 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14437
24437
34438
44438
54438
64438
74438
84338
94338
104338
114237
124237
134137
144037
154037
163936
173836
183836
193736
203635
213635
223535
233535
243434
253434
263434
273433
283433
293433
303432
313332

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 7:37 AM to 7:22 AM, and sunset from 4:12 PM to 4:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.67:374:12
28.67:374:12
38.67:374:13
48.67:374:14
58.67:374:15
68.77:364:16
78.77:364:17
88.77:364:18
98.77:364:19
108.77:364:20
118.87:354:21
128.87:354:22
138.87:354:24
148.87:344:25
158.97:344:26
168.97:334:27
178.97:334:28
189.07:324:29
199.07:324:31
209.07:314:32
219.07:304:33
229.17:304:35
239.17:294:36
249.27:284:37
259.27:274:39
269.27:264:40
279.37:264:41
289.37:254:43
299.37:244:44
309.47:234:45
319.47:224:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.61 kWh/m².

For context, solar energy here swings from a low near 1.2 kWh/m² to a high of 5.88 kWh/m² in June across the year — January's 1.61 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.4Dim
111.4Dim
121.5Dim
131.5Dim
141.5Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.7Dim
201.7Dim
211.8Dim
221.8Dim
231.8Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
282.0Dim
292.0Moderate
302.0Moderate
312.1Moderate
Planning a trip in January

Is January a good time to visit Granby?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Granby.

What to pack for Granby in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Granby sees daytime highs around -5°C and nights near -13°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Granby in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Granby peaks around July 13 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug3Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Granby?

Granby sits at 45.4°N, 72.7°W, 102 m above sea level, in Canada. The nearest listed city is Saint-Hyacinthe, 31 km away.

Topography around Granby

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Granby.

Within 3 km, the terrain around Granby has only modest variations in elevation — a maximum elevation change of 97 m around an average of 120 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 511 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,288 m.

The land around Granby is covered by trees (41%) and artificial surfaces (40%) within 3 km, trees (54%) and cropland (30%) within 16 km, and trees (51%) and cropland (33%) within 80 km.

3 km
97 m
16 km
511 m
80 km
1,288 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Saint-Hyacinthe 31 km · Mont-Saint-Hilaire 40 km · Beloeil 41 km · Saint-Jean-sur-Richelieu 43 km · Chambly 43 km · Saint-Basile-le-Grand 45 km · Magog 48 km · Saint-Bruno-de-Montarville 50 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Granby (45.4001°, -72.7324°, elevation 102 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).