Thetford-Mines weather in May

In May, Thetford-Mines sees average daytime highs of 15°C and overnight lows near 6°C, with 116 mm of precipitation across 14.6 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 18°C by the end. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Thetford-Mines's 6th-clearest and 8th-windiest month. For the whole year in context, see Thetford-Mines's year-round climate.

Daytime high
15°
5th warmest
Overnight low
8th coldest
Precipitation
116 mm
14.6 wet days
Daylight
14 h 42 min
4:19 AM – 7:04 PM
Cloud cover
70%
6th clearest
Wind
12 km/h
8th windiest
Solar energy
5.29 kWh/m²
Travel score
4.2
out of 10

Thetford-Mines is city in Quebec, Canada.

Density
113/km²
people per km²
Founded
1876

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 18°C by the end.

A typical May day in Thetford-Mines reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 22°C. Set against its neighbours, May runs about 8°C warmer than April and about 5°C cooler than June.

10°20°151015202531
Avg high (°C)Avg low (°C)
1123
2134
3134
4134
5134
6145
7145
8145
9145
10145
11155
12156
13156
14156
15156
16166
17167
18167
19167
20167
21167
22177
23178
24178
25178
26178
27178
28189
29189
30189
31189

How May really feels in Thetford-Mines

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Thetford-Mines weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -15°7912.612.88.90.0
Feb-5° / -14°7010.510.9100.0
Mar-0° / -8°8312.29.911.60.0
Apr / -1°10612.8613.31.1
May15° / 11614.6114.74.2
Jun20° / 12°13514.1015.55.6
Jul23° / 14°12916.1015.25.8
Aug22° / 13°13114.60146.0
Sep18° / 10211.3012.35.3
Oct10° / 12213.11.910.72.2
Nov / -3°9112.87.99.20.1
Dec-3° / -10°981312.38.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33070
43169
53070
63169
73169
83268
93268
103268
113268
123268
133268
143367
153466
163367
173367
183466
193367
203367
213466
223268
233367
243367
253268
263268
273268
283268
293169
303169
313169

Chance of precipitation in May

Any precipitationSnow

Thetford-Mines gets around 116 mm of rain and snow over 14.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 52% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1458
2447
3447
4446
5446
6445
7445
8445
9444
10444
11434
12434
13434
14433
15433
16433
17443
18443
19453
20462
21472
22482
23482
24492
25501
26511
27511
28511
29521
30521
31521

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79820
89820
99820
109820
119820
129820
139820
149730
159730
169730
179730
189541
199541
209451
219451
229262
239262
249172
259073
268983
278983
288983
298893
308794
3186104

Wind in May

Winds average 12 km/h in May.

Across May, 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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1612light 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 May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 4:40 AM to 4:05 AM, and sunset from 6:45 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:406:45
214.14:386:46
314.24:376:47
414.24:356:49
514.34:346:50
614.34:326:51
714.44:316:53
814.44:296:54
914.54:286:55
1014.54:276:56
1114.54:256:58
1214.64:246:59
1314.64:237:00
1414.74:217:01
1514.74:207:03
1614.74:197:04
1714.84:187:05
1814.84:177:06
1914.94:167:08
2014.94:147:09
2114.94:137:10
2215.04:127:11
2315.04:117:12
2415.04:117:13
2515.14:107:14
2615.14:097:15
2715.14:087:16
2815.24:077:17
2915.24:067:18
3015.24:067:19
3115.34:057:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.29 kWh/m².

For context, solar energy here swings from a low near 1.18 kWh/m² to a high of 5.71 kWh/m² in June across the year — May's 5.29 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Is May a good time to visit Thetford-Mines?

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

4.2
Sightseeing
5th-best month of the year
0.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Thetford-Mines for sightseeing.

What to pack for Thetford-Mines in May

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

In May, Thetford-Mines sees daytime highs around 15°C and nights near 6°C. Pack rain gear. Worth having: a warm layer and sun protection. About 15 days see rain.

rain geara warm layersun protection

UV index in Thetford-Mines in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thetford-Mines peaks around July 14 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 10 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateModerateLowJul 14UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun6High
Jul8Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Thetford-Mines?

Thetford-Mines sits at 46.1°N, 71.3°W, 317 m above sea level, in Canada. The nearest listed city is Saint-Georges, 49 km away.

Topography around Thetford-Mines

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

Within 3 km, the terrain around Thetford-Mines has significant variations in elevation — a maximum elevation change of 285 m around an average of 341 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 772 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,247 m.

The land around Thetford-Mines is covered by trees (51%) within 3 km, trees (79%) within 16 km, and trees (73%) within 80 km.

3 km
285 m
16 km
772 m
80 km
1,247 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Saint-Georges 49 km · Victoriaville 51 km · Saint-Augustin-de-Desmaures 73 km · Sainte-Foy 76 km · L'Ancienne-Lorette 78 km · Lévis 80 km · Quebec City 80 km · Les Rivières 81 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 Thetford-Mines (46.0937°, -71.3054°, elevation 317 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).