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Best time to visit Hermann, MO, USA

Our verdict

The best time to visit Hermann is September

Based on all the essential things any traveller needs to know about visiting Hermann such as the cost of travel, weather, peak travel seasons and many more, September is the best time of year to go.

The very hottest temperatures in Hermann get to around 26℃ (79℉) in the height of summer. In the winter months, it can get down to as low as -12℃ (11℉) at night.

If you’re keen to work on your tan in Hermann, you’re most likely get the longest days between sun-up and sun-down around July. The wet season in Hermann usually falls during the months surrounding May each year. It’s not uncommon to get some decent rainfall or light showers during this time, but on some days the weather tends to be fine for a majority of the day, with only a few drops of rain falling from a passing shower.

Continue reading to find out more about when to visit Hermann, including the climate, seasonal info, what to pack, FAQs, and the best tools to help you plan and book your next vacation.

Warmest month

July

Least rainfall

November

Most daylight

July

Hermann seasons

Before you continue, it’s important to know when the seasons are in Hermann as they might be different to yours depending on where in the world you’re travelling from. Hermann is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Hermann

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Hermann for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Hermann climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Hermann for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Hermann in January

  • Average temperature: -2℃ (28℉)
  • Average high temperature: 0℃ (33℉)
  • Average low temperature: -5℃ (23℉)
  • Average humidity: 91%
  • Average sunny days: 11 days
  • Average rainfall: 51mm (2") over 7 days
  • Average snow days: 18 days
11 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Hermann in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Hermann in February

  • Average temperature: -2℃ (29℉)
  • Average high temperature: 2℃ (35℉)
  • Average low temperature: -5℃ (23℉)
  • Average humidity: 89%
  • Average sunny days: 12 days
  • Average rainfall: 42mm (2") over 7 days
  • Average snow days: 14 days
12 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Hermann in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Hermann in March

  • Average temperature: 3℃ (38℉)
  • Average high temperature: 7℃ (45℉)
  • Average low temperature: -1℃ (31℉)
  • Average humidity: 82%
  • Average sunny days: 13 days
  • Average rainfall: 40mm (2") over 11 days
  • Average snow days: 10 days
13 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Hermann in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Hermann in April

  • Average temperature: 9℃ (47℉)
  • Average high temperature: 14℃ (57℉)
  • Average low temperature: 3℃ (38℉)
  • Average humidity: 76%
  • Average sunny days: 12 days
  • Average rainfall: 36mm (1") over 14 days
  • Average snow days: 3 days
12 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Hermann in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Hermann in May

  • Average temperature: 12℃ (53℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 79%
  • Average sunny days: 7 days
  • Average rainfall: 81mm (3") over 21 days
  • Average snow days: 1 days
7 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to Hermann in May, make sure you pack a warm jacket or coat.


Hermann in June

  • Average temperature: 16℃ (60℉)
  • Average high temperature: 21℃ (69℉)
  • Average low temperature: 10℃ (49℉)
  • Average humidity: 79%
  • Average sunny days: 8 days
  • Average rainfall: 63mm (2") over 19 days
8 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Hermann in June, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Hermann in July

  • Average temperature: 18℃ (64℉)
  • Average high temperature: 23℃ (73℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 77%
  • Average sunny days: 8 days
  • Average rainfall: 72mm (3") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Hermann in July, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Hermann in August

  • Average temperature: 17℃ (63℉)
  • Average high temperature: 23℃ (73℉)
  • Average low temperature: 12℃ (53℉)
  • Average humidity: 77%
  • Average sunny days: 11 days
  • Average rainfall: 52mm (2") over 16 days
11 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Hermann in August, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Hermann in September

  • Average temperature: 13℃ (55℉)
  • Average high temperature: 18℃ (64℉)
  • Average low temperature: 8℃ (46℉)
  • Average humidity: 81%
  • Average sunny days: 14 days
  • Average rainfall: 36mm (1") over 14 days
14 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Hermann in September, make sure you pack a warm jacket or coat.

Hermann in October

  • Average temperature: 8℃ (46℉)
  • Average high temperature: 12℃ (54℉)
  • Average low temperature: 4℃ (40℉)
  • Average humidity: 84%
  • Average sunny days: 16 days
  • Average rainfall: 41mm (2") over 12 days
  • Average snow days: 2 days
16 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Hermann in October, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Hermann in November

  • Average temperature: 4℃ (39℉)
  • Average high temperature: 7℃ (44℉)
  • Average low temperature: 1℃ (34℉)
  • Average humidity: 87%
  • Average sunny days: 16 days
  • Average rainfall: 31mm (1") over 8 days
  • Average snow days: 7 days
16 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to Hermann in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Hermann in December

  • Average temperature: -0℃ (32℉)
  • Average high temperature: 2℃ (36℉)
  • Average low temperature: -3℃ (28℉)
  • Average humidity: 89%
  • Average sunny days: 10 days
  • Average rainfall: 55mm (2") over 9 days
  • Average snow days: 15 days
10 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Hermann in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Hermann is usually July, where temperatures tend to rise to around 23℃ (73℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Hermann is generally around November. The dry season often coincides with cooler weather, so you should check the temperatures in November first to make sure it’s still a good time to go.
The rainiest time of year in Hermann is generally around May, although the wetter season can sometimes extend a few months either side of May too.
If you want to get the most out of your time visiting Hermann, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Hermann map