Climate and monthly weather forecastGuelph, Canada
Climate and monthly weather forecast
The climate of Guelph
Guelph, Canada is distinguished by a humid continental climate, through the Köppen climate classification as Dfb. This indicates that no dry season exists, and while warm summers are typical, cold winters are a standout feature.Throughout the year, Guelph experiences significant fluctuations in weather. Commencing with temperature, average highest peak stands at 24.8°C (76.6°F) in July and dips to a significant low of -3.8°C (25.2°F) in January. The night weather also mimics these trends. At night, the residents of this Ontario town are subjected to an average high temperature of 15°C (59°F) during July reaching down to -9.4°C (15.1°F) in January.
Observing the precipitation data, rainfall is well distributed across the year, witnessing a peak of 75mm (2.95") in May and a bottom of 41mm (1.61") in September. The number of rainfall days per month follows a similar pattern, adding up to maximum 20.2 days in July and down to a minimum of 6.8 days in February. Snowfall peaks in February with 162mm (6.38") and tends to disappear in the summer, noting no snowfall between June to September.
As for sunlight, the daylight lasts for a high of 15.4 hours in June and diminishes to 9 hours during December and January. Sunlight follows the same pattern with June lavishing the city with a high of 9.4 hours of sunshine which starkly contrasts to the 2.6 hours in December.
The best time to visit Guelph
Tourist should consider seasons and corresponding weather conditions prior to planning their visit. To experience warm and pleasant weather with abundant daylight and sunshine, visiting between June and August would be the optimal choice. The average high temperature ranges from 20.7°C (69.3°F) to 24.8°C (76.6°F), the daylight treatments extend to a maximum of 15.4 hours in June, whereas overall sunshine distribution peaks at 9.4 hours in June.The worst time to visit Guelph
If cold and snowy weather is not a preference, it would be wise to refrain from visiting the city in winter months: December, January, and February. The city experiences chilling weather with a maximum temperature marking -0.1°C (31.8°F) in December and sliding down to -3.8°C (25.2°F) in January. Snowfall could also prove to be a deterrent with January uncovering a snowfall rating of 140mm (5.51"), February escalating to 162mm (6.38") with 17.5 snowfall days.Spring weather in Guelph
Spring introduces warmer days in Guelph. March witnesses a transition from winter with a high temperature of 3°C (37.4°F) that increases to 10°C (50°F) and 17.8°C (64°F) in April and May. Evoking a sense of freshness, rainfall is frequent and abundant during this time promoting vibrant green sceneries.Summer weather in Guelph
From June to August, daytime temperatures peak, ranging between 20.7°C (69.3°F) to 24.8°C (76.6°F). The city is blessed with long days, with up to 15.4 hours of daylight in June. Enjoyment of outdoor activities is supplemented by clear skies and copious amounts of sunshine, reaching 9.4 hours in June.Autumn weather in Guelph
Autumn in September, October, and November brings a noticeable drop in temperature and daylight. Ranging from 20.7°C (69.3°F) to 5.7°C (42.3°F) throughout the season, sunlit days shrink to 9.7 hours in November but the colors of Fall make for a great spectacle.Winter weather in Guelph
Characteristic of the Köppen climate classification, winters are notably severe in Guelph with temperatures sinking to -3.8°C (25.2°F) in January. While the winter sun sees a vote of 9 hours in December, the city encounters heavy snowfall amounting to 140mm (5.51") in January and 137mm (5.39") in December along with 18.9 and 17.8 accountable snowfall days respectively.Weather in January
Looking at the monthly climatological parameters, January in Guelph, Canada harbors frigid temperatures, typically reaching its lows with temperatures varying from -9.4°C (15.1°F) to -3.8°C (25.2°F). Foggy mornings and frosty afternoons are not uncommon, setting the tone for a period of harsh winter. Weather in January »Weather in February
Transitioning into February, the weather remains bitter but registers a slight increase in the average temperature. Despite this, it is not unusual to find the city of Guelph, Canada painted white, as the snowfall amount often surpasses January. Weather in February »Weather in March
As Guelph, Canada, welcomes March, there is a notable shift in weather patterns, signaling the end of the chilly and frozen winter. Although this month still embraces the chill, it eventually gives way to warmer spells of weather. Weather in March »Weather in April
April in Guelph, Canada brings significant changes, with milder temperatures and increased rainfall attributed to the 74mm (2.91") of average monthly precipitation. The advent of spring is now in full swing - snowfall is limited and greenery begins to emerge in the landscape. Weather in April »Weather in May
May in Guelph, Canada sees a marked improvement in climatic conditions, paving the path for the oncoming summer. It is safe to say that the cold is now a thing of the past, as temperatures are typically mild and pleasant. The rainfall, although slightly higher than the last month, doesn't dampen the spirit of the vibrant month. Weather in May »Weather in June
As Guelph, Canada enters into June, the onset of summer is clearly felt with climbing temperatures. This month registers the year's highest relative humidity of 80%, suggesting muggy and sometimes uncomfortable conditions. Rainfall is somewhat common, mainly in the form of short, sharp showers that quickly pass. Weather in June »Weather in July
July is when the summer warmth peaks in Guelph, Canada, with temperatures soaring to approximately 24.8°C (76.6°F) on average. This period is the hottest and one of the driest seasons of the year, with rare and occasional showers. Weather in July »Weather in August
The integral characteristics of the weather in August in Guelph, Canada essentially mirror those of July. The heat persists, although a slight decrease in temperature signals the imminent end of summer. The relative humidity maintains its level, indicating muggy conditions despite the slight dip in temperatures. Weather in August »Weather in September
September in Guelph, Canada, marks the onset of autumn, with the weather cooling down from the summer highs. There is a discernible change in the weather pattern as the high heat starts to recede. An average rainfall of 41mm (1.61") is the least precipitation observed all year, showing the significantly drier climate. Weather in September »Weather in October
October in Guelph, Canada, welcomes the autumn in full swing as the seasonal changes become more pronounced. The temperature dips further, and the need for warmer clothing becomes apparent. Rainfall frequency increases, contributing to the onset of the chillier weather. Weather in October »Weather in November
November in Guelph, Canada, sees a significant decrease in temperature, signaling the transition period from autumn to winter. Changes in the weather pattern become more evident, with the rainfall making way for the snowfall. The snow begins to set in with an average accumulation spanning 99mm (3.9"). Weather in November »Weather in December
Accompanied by falling temperatures averaging between -4.7°C (23.5°F) to -0.1°C (31.8°F), December conveys the arrival of winter in Guelph, Canada, in full force. The colder weather comes hand-in-hand with a significant amount of snowfall, turning the landscape into a winter wonderland. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Guelph, Canada
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.8°C).
The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-9.4°C).
Average pressure
Guelph, Canada
- Average pressure in January:
1017.2mbar - Average pressure in February:
1017.2mbar - Average pressure in March:
1018.5mbar - Average pressure in April:
1014.8mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1013.2mbar
- Average pressure in July:
1014mbar - Average pressure in August:
1014.6mbar - Average pressure in September:
1017mbar - Average pressure in October:
1015.5mbar - Average pressure in November:
1018.2mbar - Average pressure in December:
1017.5mbar
The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).
Average wind speed
Guelph, Canada
- Average wind speed in January:
17.6km/h - Average wind speed in February:
17.5km/h - Average wind speed in March:
16.7km/h - Average wind speed in April:
16.9km/h - Average wind speed in May:
13.4km/h - Average wind speed in June:
12km/h
- Average wind speed in July:
10.8km/h - Average wind speed in August:
11.1km/h - Average wind speed in September:
11.7km/h - Average wind speed in October:
14.6km/h - Average wind speed in November:
15.9km/h - Average wind speed in December:
16.8km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).
Average humidity
Guelph, Canada
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall
Guelph, Canada
The wettest month (with the highest rainfall) is May (75mm).
The driest month (with the least rainfall) is September (41mm).
Average rainfall days
Guelph, Canada
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
20.2 days - Average rainfall days in August:
19.2 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
16.8 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
Guelph, Canada
The month with the highest snowfall is February (162mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Guelph, Canada
- Average snowfall days in January:
18.9 days - Average snowfall days in February:
17.5 days - Average snowfall days in March:
11.9 days - Average snowfall days in April:
4.9 days - Average snowfall days in May:
0.7 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.5 days - Average snowfall days in November:
8.8 days - Average snowfall days in December:
17.8 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Guelph, Canada
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 36min - Average sunshine in February:
3h and 6min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 30min - Average sunshine in October:
4h and 36min - Average sunshine in November:
4h and 12min - Average sunshine in December:
2h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days
Guelph, Canada
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
9.7 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
8 days - Average sunshine days in August:
8.2 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
11.4 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is September (11.5 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index
Guelph, Canada
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Guelph, Canada
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Guelph, Canada
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February, March, September, November and December (8km).








