The best times to visit James Bay for ideal weather are
May 14th to October 7th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
James Bay Travel Guide
Other James Bay Travel Info
Weather in James Bay
Temperature
Average temperatures in James Bay vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 55th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit James Bay, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 67.2°F (19.6°C) with temperatures rarely dropping below 53.9°F (12.2°C) at night.
James Bay Temperatures (Fahrenheit)
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James Bay Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
James Bay Perceived Temperature (F)
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James Bay Perceived Temperature (C)
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Average James Bay Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 45.1 | 40.6 | 37.5 |
| Feb | 46.4 | 41.8 | 38.3 |
| Mar | 48.7 | 43.5 | 39.4 |
| Apr | 52.4 | 46.5 | 42 |
| May | 58.1 | 51.5 | 46.8 |
| Jun | 62 | 55.3 | 50.9 |
| Jul | 66.4 | 58.5 | 53.4 |
| Aug | 65.8 | 58.5 | 53.6 |
| Sep | 62.1 | 55.3 | 50.7 |
| Oct | 55.3 | 50 | 46.1 |
| Nov | 48.6 | 44.2 | 40.7 |
| Dec | 44.3 | 40.3 | 37.1 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 7.3 | 4.8 | 3.1 |
| Feb | 8 | 5.4 | 3.5 |
| Mar | 9.3 | 6.4 | 4.1 |
| Apr | 11.3 | 8.1 | 5.6 |
| May | 14.5 | 10.8 | 8.2 |
| Jun | 16.7 | 12.9 | 10.5 |
| Jul | 19.1 | 14.7 | 11.9 |
| Aug | 18.8 | 14.7 | 12 |
| Sep | 16.7 | 12.9 | 10.4 |
| Oct | 12.9 | 10 | 7.8 |
| Nov | 9.2 | 6.8 | 4.8 |
| Dec | 6.8 | 4.6 | 2.8 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in James Bay are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late August to early September with an average of 0 days of significant precipitation the week of August 27th.
When can you find snow in James Bay? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in James Bay.
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Snow on the Ground
The graph below shows the average snow on the ground in James Bay (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 0% | 0 | 0 |
| Feb | 0% | 0 | 0 |
| Mar | 0% | 0 | 0 |
| Apr | 0% | 0 | 0 |
| May | 0% | 0 | 0 |
| Jun | 0% | 0 | 0 |
| Jul | 0% | 0 | 0 |
| Aug | 0% | 0 | 0 |
| Sep | 1% | 0 | 0.1 |
| Oct | 0% | 0 | 0 |
| Nov | 1% | 0 | 0.1 |
| Dec | 0% | 0 | 0 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 0 | 0 | 0 |
| Feb | 0 | 0 | 0 |
| Mar | 0 | 0 | 0 |
| Apr | 0 | 0 | 0 |
| May | 0 | 0 | 0 |
| Jun | 0 | 0 | 0 |
| Jul | 0 | 0 | 0 |
| Aug | 0 | 0 | 0 |
| Sep | 1 | 0 | 0.3 |
| Oct | 0 | 0 | 0 |
| Nov | 1 | 0 | 0.3 |
| Dec | 0 | 0 | 0 |
Humidity and Wind
James Bay has some extremely humid months, and high humidity throughout the year. The least humid month is April (71.9% relative humidity), and the most humid month is January (84.5%).
Wind in James Bay is usually calm. The windiest month is June, followed by April and February. June’s average wind speed of around 6.9 knots (7.9 MPH or 12.7 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid June where average top sustained speeds reach 16.1 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in James Bay.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 5.9 | Light breeze | 11.7 | Significant breeze |
| Feb | 6.1 | Light breeze | 12.3 | Significant breeze |
| Mar | 5.9 | Light breeze | 13 | Significant breeze |
| Apr | 6.3 | Light breeze | 13.6 | Significant breeze |
| May | 6.1 | Light breeze | 13.4 | Significant breeze |
| Jun | 6.9 | Light breeze | 14.7 | Significant breeze |
| Jul | 5.6 | Light breeze | 13 | Significant breeze |
| Aug | 5 | Light breeze | 12.3 | Significant breeze |
| Sep | 4.2 | Light breeze | 10.4 | Significant breeze |
| Oct | 4.7 | Light breeze | 10.6 | Gentle breeze |
| Nov | 5.5 | Light breeze | 11.6 | Significant breeze |
| Dec | 5.9 | Light breeze | 12.2 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 84.5% |
| Feb | 79.9% |
| Mar | 78% |
| Apr | 71.9% |
| May | 72.8% |
| Jun | 72.9% |
| Jul | 75.2% |
| Aug | 78% |
| Sep | 82.2% |
| Oct | 84.5% |
| Nov | 82.4% |
| Dec | 81.1% |
Is it Safe to Travel to James Bay?
#N/A
The Busiest and Least Crowded Months
The busiest month for tourism in James Bay, BC, Canada is July, followed by August and April. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit James Bay in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall James Bay Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 60.4°F (15.8°C) and 46.4°F (8°C) with warmer temperatures in the later months. Rain is nonexistent with roughly 0 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in James Bay, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 63.6°F (17.6°C) and 45.5°F (7.5°C), which will feel chilly given the humidity and wind. It rains or snows a trivial amount: approximately 0 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is too cold this time of year in James Bay to be enjoyable for warm weather travelers. The average high during this season is between 47.6°F (8.7°C) and 43.5°F (6.4°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› Canada › James Bay, BC, Canada