The best times to visit Saint-Izaire for ideal weather are
June 4th to September 16th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Saint-Izaire Travel Guide
Other Saint-Izaire Travel Info
Weather in Saint-Izaire
Temperature
Average temperatures in Saint-Izaire vary greatly. Considering humidity, temperatures feel cold for most of the year with a low chance of precipitation most of the year. The area is less temperate than some — in the 34th 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 Saint-Izaire, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 78.3°F (25.7°C) with temperatures rarely dropping below 53.7°F (12.1°C) at night.
Saint-Izaire Temperatures (Fahrenheit)
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Saint-Izaire 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.
Saint-Izaire Perceived Temperature (F)
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Saint-Izaire Perceived Temperature (C)
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Average Saint-Izaire 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 | 45.9 | 37.2 | 29.5 |
| Feb | 47.1 | 37.7 | 29.8 |
| Mar | 46.3 | 37.5 | 30 |
| Apr | 58 | 47 | 37.1 |
| May | 61.6 | 52.4 | 43.9 |
| Jun | 66.8 | 56.9 | 48.5 |
| Jul | 71.2 | 59.6 | 49.6 |
| Aug | 72 | 59.9 | 49.4 |
| Sep | 64.3 | 52.3 | 43 |
| Oct | 57.1 | 46.8 | 39.2 |
| Nov | 44.8 | 37.2 | 31.4 |
| Dec | 40.7 | 32.9 | 26.7 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 7.7 | 2.9 | -1.4 |
| Feb | 8.4 | 3.2 | -1.2 |
| Mar | 7.9 | 3.1 | -1.1 |
| Apr | 14.4 | 8.3 | 2.8 |
| May | 16.4 | 11.3 | 6.6 |
| Jun | 19.3 | 13.8 | 9.2 |
| Jul | 21.8 | 15.3 | 9.8 |
| Aug | 22.2 | 15.5 | 9.7 |
| Sep | 17.9 | 11.3 | 6.1 |
| Oct | 13.9 | 8.2 | 4 |
| Nov | 7.1 | 2.9 | -0.3 |
| Dec | 4.8 | 0.5 | -2.9 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Saint-Izaire are September, October, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early April. For example, on the week of April 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early May with an average of 4 days of significant precipitation the week of April 30th.
When can you find snow in Saint-Izaire? 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 Saint-Izaire.
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Snow on the Ground
The graph below shows the average snow on the ground in Saint-Izaire (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 | 16% | 0 | 1.4 |
| Feb | 18% | 0 | 1.9 |
| Mar | 18% | 0 | 1.6 |
| Apr | 22% | 0 | 3 |
| May | 30% | 0 | 5.4 |
| Jun | 32% | 0 | 4.3 |
| Jul | 12% | 0 | 2.3 |
| Aug | 11% | 0 | 1.5 |
| Sep | 7% | 0 | 0.8 |
| Oct | 10% | 0 | 1.6 |
| Nov | 15% | 0 | 2.7 |
| Dec | 11% | 0 | 1.3 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 16 | 0 | 3.6 |
| Feb | 18 | 0 | 4.8 |
| Mar | 18 | 0 | 4.1 |
| Apr | 22 | 0 | 7.6 |
| May | 30 | 0 | 13.7 |
| Jun | 32 | 0 | 10.9 |
| Jul | 12 | 0 | 5.8 |
| Aug | 11 | 0 | 3.8 |
| Sep | 7 | 0 | 2 |
| Oct | 10 | 0 | 4.1 |
| Nov | 15 | 0 | 6.9 |
| Dec | 11 | 0 | 3.3 |
Humidity and Wind
Saint-Izaire has some very humid months, and above average humidity throughout the year. The least humid month is April (63.7% relative humidity), and the most humid month is November (75.6%).
Wind in Saint-Izaire is usually calm. The windiest month is March, followed by November and May. March’s average wind speed of around 6.9 knots (8 MPH or 12.8 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 late May where average top sustained speeds reach 14.8 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Saint-Izaire.
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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 | 4.9 | Light breeze | 10.8 | Gentle breeze |
| Feb | 5.1 | Light breeze | 10.8 | Gentle breeze |
| Mar | 6.9 | Light breeze | 12.3 | Gentle breeze |
| Apr | 5.5 | Light breeze | 11.3 | Significant breeze |
| May | 6.3 | Light breeze | 11.9 | Gentle breeze |
| Jun | 4.3 | Light breeze | 8.6 | Gentle breeze |
| Jul | 5 | Light breeze | 9.9 | Gentle breeze |
| Aug | 4.5 | Light breeze | 9.1 | Gentle breeze |
| Sep | 4.6 | Light breeze | 8.9 | Gentle breeze |
| Oct | 4.6 | Light breeze | 8.9 | Gentle breeze |
| Nov | 6.3 | Light breeze | 11.2 | Gentle breeze |
| Dec | 5.6 | Light breeze | 10.9 | Gentle breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 71.9% |
| Feb | 73.9% |
| Mar | 66.5% |
| Apr | 63.7% |
| May | 69% |
| Jun | 73.2% |
| Jul | 64.5% |
| Aug | 65.4% |
| Sep | 68% |
| Oct | 75.3% |
| Nov | 75.6% |
| Dec | 71.7% |
Is it Safe to Travel to Saint-Izaire?
Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for France; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 20, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Saint-Izaire, France is July, followed by August and February. 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 Saint-Izaire in September. 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 Saint-Izaire Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 64.6°F (18.1°C) and 37.2°F (2.9°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 9 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 3 to 10 days of precipitation per month. June – August is the busiest season for tourism in Saint-Izaire, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 67.3°F (19.6°C) and 39.5°F (4.2°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 2 to 5 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 Saint-Izaire to be enjoyable for warm weather travelers. The average high during this season is between 50.9°F (10.5°C) and 33.8°F (1°C). On average, it rains or snows a fair amount: 4 to 5 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› France › Saint-Izaire, France