# Climate Insights for Rayside-Balfour

*Source: [Airpult](https://airpult.com/climate/ca/rayside-balfour/2280583085): Greater Sudbury, Ontario, Canada*

The climate in Rayside-Balfour is cool. The average annual temperature is 5°C and approximately 925mm of precipitation falls per year. Rayside-Balfour receives a notable amount of rainfall throughout the year, including during its driest month. Rayside-Balfour is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -15°C. Rayside-Balfour experiences heavy snowfall, typically from January through December.

## Key insights

- **Hottest month:** July (peak 26°C)
- **Coldest month:** January (low -15°C)
- **Wettest month:** October (112 mm)
- **Best time to visit:** June, July, August

## Monthly climate data

The table below shows monthly climate averages for Rayside-Balfour based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

| Month | Avg low (°C) | Avg high (°C) | Mean (°C) | Precip (mm) | Wind (km/h) | Snow (cm) |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| Jan | -15 | -6 | -11 | 53 | 3 | 49 |
| Feb | -15 | -4 | -10 | 60 | 3 | 49 |
| Mar | -9 | 2 | -4 | 69 | 3 | 34 |
| Apr | -2 | 9 | 3 | 92 | 3 | 27 |
| May | 6 | 19 | 12 | 70 | 3 | 3 |
| Jun | 11 | 23 | 17 | 90 | 3 | 0 |
| Jul | 14 | 26 | 20 | 88 | 3 | 0 |
| Aug | 13 | 24 | 18 | 89 | 3 | 0 |
| Sep (current) | 9 | 20 | 14 | 70 | 3 | 0 |
| Oct | 3 | 12 | 7 | 112 | 3 | 4 |
| Nov | -4 | 3 | -1 | 68 | 3 | 28 |
| Dec | -11 | -3 | -7 | 64 | 3 | 48 |

## Temperature

Rayside-Balfour has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 20°C. The coldest month is January, when overnight lows fall to -15°C and the daily average is -11°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.

## Precipitation

Rayside-Balfour is a moderately rainy area, receiving approximately 925mm of precipitation annually, which averages out to around 77mm per month. The wettest month is October, averaging 112mm of rainfall. April and June also tend to see above-average precipitation. The driest month is January, with just 53mm. That's 59mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Rayside-Balfour receives heavy snowfall, accumulating around 242cm annually from January through December. The snowiest month is January, with approximately 49cm. Winter travel should account for significant snow cover.

## Wind

Rayside-Balfour is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

## Seasons

Currently it is **summer** (astronomical) / **fall** (meteorological) in Rayside-Balfour.
Autumn begins September 23, 2026 (14 days from now).

| Season | Begins |
| --- | --- |
| Spring | March 20 |
| Summer | June 21 |
| Autumn | September 23 |
| Winter | December 21 |

It is currently summer in Rayside-Balfour, which began on June 21, 2026. Rayside-Balfour is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 26°C, while the coldest stretch bottoms out in January near -15°C. Autumn is next, beginning on September 23, 2026 (14 days from now).

### Spring

Temperatures range from -9 to 19°C. Precipitation is moderate at around 231mm for the season, averaging 77mm per month. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

### Summer

Temperatures range from 11 to 26°C. Precipitation is moderate at around 266mm for the season, averaging 89mm per month. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

### Autumn

Temperatures range from -4 to 20°C. Precipitation is moderate at around 250mm for the season, averaging 83mm per month. Expect around 32cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

### Winter

Temperatures range from -15 to -3°C. Precipitation is moderate at around 178mm for the season, averaging 59mm per month. Expect around 146cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.

## Best time to visit

Recommended months: June, July, August.

The best time to visit Rayside-Balfour is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 89mm per month. By contrast, January can be quite cold with temperatures dropping to -15°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.