Isojoki, Finland: What to pack, what to wear, and when to go [2021]

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Traveling to Isojoki, Finland? If you're planning to go to Isojoki, below is some important information about when to go, what to wear, and what to pack.

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When to go to Isojoki, Finland

Based on the climate and weather in Isojoki, the best time to go is July. See below for details.

Important esssentials for Isojoki, Finland

Here are some general tips on what to wear in Isojoki, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Isojoki, Finland by month

January

January in Isojoki can be dangerously cold and very snowy. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C). It tends to rain a bit less than half of the time.

It also snows about two thirds of the time. But the colder weather doesn't bring low humidity, which is in the 80% to 90% range on average.

What to wear/what to pack:

February

February can be bitter cold and somewhat snowy. Temperatures average in the high 20s F (single digits below 0 C) during the day. It rains sometimes and snows about half of the time.

What to wear/what to pack:

March

March for Isojoki is frosty and somewhat snowy. Temperatures average in the 30s F (single digits C) during the day. It rains a bit less than half of the time and snows about half of the time.

What to wear/what to pack:

April

If you visit Isojoki during April, you may notice that it can be very chilly and somewhat rainy. Temperatures tend to hover around the low 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month and snow about a third of the time.

What to wear/what to pack:

May

If you go to Isojoki in May, you will notice that it is chilly and somewhat rainy. Expect it to rain regularly. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

June

If you visit Isojoki during June, you are likely to see that it is cool and somewhat rainy. Temperatures tend to hover around the low 60s F (high 10s C) during the day, while at night they can dip into the 40s F (single digits C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

July

Traveling to Isojoki in July, you will notice that it is balmy and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the high 60s F (low 20s C).

What to wear/what to pack:

August

If you visit Isojoki during August, you may notice that it can be chilly and somewhat rainy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the low 50s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

September

If you are traveling to Isojoki in September, you will notice that it is brisk and very rainy. Expect it to rain about half of the time. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

October

October in Isojoki is pretty cool and somewhat rainy. The average overnight temperatures in the area are in the 30s F (single digits C).

It tends to rain about half of the time. But the colder weather doesn't bring low humidity, which is in the 70% to 80% range on average.

What to wear/what to pack:

November

November in Isojoki is frosty, somewhat snowy and somewhat rainy. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain about half of the time.

It also snows about a third of the time. But the colder weather doesn't bring low humidity, which is in the 80% to 90% range on average.

What to wear/what to pack:

December

In December, Isojoki is freezing, very snowy and somewhat rainy. Temperatures routinely are in the low 30s F (single digits below 0 C) range. At night, lows are in the low 20s F (single digits below 0 C).

This is also a rainy time for Isojoki, with several of the days of the month having rain. In December, humidity reaches as high as 90%.

What to wear/what to pack:

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