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United States weather

Weather in Lewis and Clark County, Montana for July 2027

Your guide to Lewis and Clark County weather in July - trends and predictions

    Rain 🌧️

  • Lewis and Clark County experiences moderate rainfall in July, with an average of 7 rainy days and a total precipitation of 40.5 mm.

    • More

  • Is July a good time to visit Lewis and Clark County? check out the best time to travel to Lewis and Clark County page.

  • ✨ Is July a good time to visit Lewis and Clark County? – Ask the AI Weatherman

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/13°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
47 %
Avg humidity

Lewis and Clark County Weather July

Move between months or click on a day
June
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
27°
2
Thundery outbreaks possible
27°
3
Moderate rain
27°
4
Light rain
25°
5
Fog
25°
6
Patchy rain possible
25°
7
Sunny
28°
8
Sunny
32°
9
Sunny
31°
10
Partly cloudy
28°
11
Partly cloudy
30°
12
Partly cloudy
32°
13
Sunny
32°
14
Patchy rain possible
32°
15
Overcast
22°
16
Patchy rain possible
27°
17
Patchy rain possible
31°
18
Patchy rain possible
30°
19
Overcast
30°
20
Thundery outbreaks possible
26°
21
Patchy rain possible
27°
22
Mist
25°
23
Partly cloudy
30°
24
Sunny
31°
25
Sunny
35°
26
Cloudy
31°
27
Light rain
30°
28
Thundery outbreaks possible
30°
29
Thundery outbreaks possible
30°
30
Thundery outbreaks possible
31°
31
Thundery outbreaks possible
32°

Temperatures trend during July in Lewis and Clark County

See the weather trend as well as the moving average line

July weather in Lewis and Clark County day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
Jul. 1 Patchy rain possible
Patchy rain possible
 27° /11° 2.3 mm 9
Jul. 2 Thundery outbreaks possible
Thundery outbreaks possible
 27° /11° 3.3 mm 9
Jul. 3 Moderate rain
Moderate rain
 27° /12° 7.5 mm 9
Jul. 4 Light rain
Light rain
 25° /11° 5.7 mm 8
Jul. 5 Fog
Fog
 25° /11° 0.2 mm 8
Jul. 6 Patchy rain possible
Patchy rain possible
 25° /10° 1.2 mm 9
Jul. 7 Sunny
Sunny
 28° /11° 0.1 mm 9
Jul. 8 Sunny
Sunny
 32° /13° 0.3 mm 10
Jul. 9 Sunny
Sunny
 31° /14° 0 mm 10
Jul. 10 Partly cloudy
Partly cloudy
 28° /12° 0 mm 9
Jul. 11 Partly cloudy
Partly cloudy
 30° /11° 0 mm 9
Jul. 12 Partly cloudy
Partly cloudy
 32° /13° 0 mm 9
Jul. 13 Sunny
Sunny
 32° /15° 0 mm 9.9
Jul. 14 Patchy rain possible
Patchy rain possible
 32° /18° 1.9 mm 9.9
Jul. 15 Overcast
Overcast
 22° /12° 0.2 mm 7
Jul. 16 Patchy rain possible
Patchy rain possible
 27° /11° 2.2 mm 8
Jul. 17 Patchy rain possible
Patchy rain possible
 31° /11° 1.2 mm 9
Jul. 18 Patchy rain possible
Patchy rain possible
 30° /12° 1.1 mm 9
Jul. 19 Overcast
Overcast
 30° /15° 0 mm 9
Jul. 20 Thundery outbreaks possible
Thundery outbreaks possible
 26° /13° 0 mm 8
Jul. 21 Patchy rain possible
Patchy rain possible
 27° /14° 2 mm 8
Jul. 22 Mist
Mist
 25° /15° 0 mm 7
Jul. 23 Partly cloudy
Partly cloudy
 30° /12° 0.1 mm 9
Jul. 24 Sunny
Sunny
 31° /13° 0 mm 9
Jul. 25 Sunny
Sunny
 35° /15° 0 mm 9
Jul. 26 Cloudy
Cloudy
 31° /15° 0 mm 8
Jul. 27 Light rain
Light rain
 30° /14° 9.1 mm 9
Jul. 28 Thundery outbreaks possible
Thundery outbreaks possible
 30° /14° 0 mm 8
Jul. 29 Thundery outbreaks possible
Thundery outbreaks possible
 30° /14° 2 mm 8
Jul. 30 Thundery outbreaks possible
Thundery outbreaks possible
 31° /14° 0.1 mm 8
Jul. 31 Thundery outbreaks possible
Thundery outbreaks possible
 32° /14° 0 mm 8
Next
Important Notice
Our weather forecast for Lewis and Clark County in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lewis and Clark County forecast closer to your planned date for the most up-to-date weather information.
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Lewis and Clark County in July - FAQ

What are the expected maximum and minimum temperatures in Lewis and Clark County during July?
Enjoy moderate daytime temperatures of up to 29° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Lewis and Clark County during July?
In July, Lewis and Clark County can expect light to moderate rainfall, totaling 40.5 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Lewis and Clark County during July?
The average wind speed in Lewis and Clark County during July is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Lewis and Clark County

Explore the daily rainfall trends and prepare for Lewis and Clark Countys July weather 💧
Typically, Lewis and Clark County has 7 rainy days in July with a total of 40.5 mm of rainfall.

UV exposure in Lewis and Clark County during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Top locations in Lewis and Clark County
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Helena
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