- Save EXTRA 5% on airport transfers worldwide
- Book private taxis & shuttle buses with discount code
- Enter in coupon box on 'Reservations' page
Fort Smith weather by month
Check out Fort Smith weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Fort Smith (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 9 |
12 |
17 |
23 |
27 |
31 |
34 |
34 |
29 |
24 |
17 |
11 |
| Min temperature (night-time) | -4 |
-1 |
4 |
9 |
14 |
19 |
21 |
20 |
16 |
9 |
3 |
-2 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
L |
H |
VH |
VH |
M |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Fort Smith
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 10 |
11 |
12 |
13 |
14 |
15 |
14 |
13 |
12 |
11 |
10 |
10 |
| UV Index (Maximum) | 3 |
4 |
6 |
8 |
9 |
10 |
10 |
9 |
8 |
5 |
3 |
2 |
Rainfall in Fort Smith
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 7 |
7 |
10 |
10 |
11 |
8 |
7 |
7 |
8 |
7 |
7 |
8 |
| Average monthly rainfall (mm) | 57 |
71 |
105 |
111 |
147 |
98 |
88 |
80 |
107 |
93 |
100 |
82 |
More about Fort Smith
Fort Smith by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Arkansas
Expires at 23:59 on Thursday 31st Dec 2026
The climate guide for Arkansas (Fort Smith) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Fort Smith?
Fort Smith has a temperate climate with hot summers and some rainfall in all months.
Fort Smith weather in January
Expect daytime maximum temperatures of 9°C in Fort Smith, Arkansas in January based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 57 mm of rainfall in the month.
- 9°C max day temperature
9 - 6 hours of sunshine per day
- 7 days with some rainfall
7 - -4°C min night temperature
-4 - 10 hours of daylight per day
10 - No heat & humidity
0 - 57 mm of monthly rainfall
57 - 3 (Moderate) UV index
3
Fort Smith weather in February
Expect daytime maximum temperatures of 12°C in Fort Smith, Arkansas in February based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 71 mm of rainfall in the month.
- 12°C max day temperature
12 - 6 hours of sunshine per day
- 7 days with some rainfall
7 - -1°C min night temperature
-1 - 11 hours of daylight per day
11 - No heat & humidity
0 - 71 mm of monthly rainfall
71 - 4 (Moderate) UV index
4
Fort Smith weather in March
Expect daytime maximum temperatures of 17°C in Fort Smith, Arkansas in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 105 mm of rainfall in the month.
- 17°C max day temperature
17 - 7 hours of sunshine per day
- 10 days with some rainfall
10 - 4°C min night temperature
4 - 12 hours of daylight per day
12 - No heat & humidity
0 - 105 mm of monthly rainfall
105 - 6 (High) UV index
6
Fort Smith weather in April
Expect daytime maximum temperatures of 23°C in Fort Smith, Arkansas in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 111 mm of rainfall in the month.
- 23°C max day temperature
23 - 8 hours of sunshine per day
- 10 days with some rainfall
10 - 9°C min night temperature
9 - 13 hours of daylight per day
13 - No heat & humidity
0 - 111 mm of monthly rainfall
111 - 8 (Very High) UV index
8
Fort Smith weather in May
Expect daytime maximum temperatures of 27°C in Fort Smith, Arkansas in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 147 mm of rainfall in the month.
- 27°C max day temperature
27 - 9 hours of sunshine per day
- 11 days with some rainfall
11 - 14°C min night temperature
14 - 14 hours of daylight per day
14 - Low heat & humidity
L - 147 mm of monthly rainfall
147 - 9 (Very High) UV index
9
Fort Smith weather in June
Expect daytime maximum temperatures of 31°C in Fort Smith, Arkansas in June and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 98 mm of rainfall in the month.
- 31°C max day temperature
31 - 10 hours of sunshine per day
- 8 days with some rainfall
8 - 19°C min night temperature
19 - 15 hours of daylight per day
15 - High heat & humidity
H - 98 mm of monthly rainfall
98 - 10 (Very High) UV index
10
Fort Smith weather in July
Expect daytime maximum temperatures of 34°C in Fort Smith, Arkansas in July and very high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 88 mm of rainfall in the month.
- 34°C max day temperature
34 - 11 hours of sunshine per day
- 7 days with some rainfall
7 - 21°C min night temperature
21 - 14 hours of daylight per day
14 - Very High heat & humidity
VH - 88 mm of monthly rainfall
88 - 10 (Very High) UV index
10
Fort Smith weather in August
Expect daytime maximum temperatures of 34°C in Fort Smith, Arkansas in August and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 80 mm of rainfall in the month.
- 34°C max day temperature
34 - 10 hours of sunshine per day
- 7 days with some rainfall
7 - 20°C min night temperature
20 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 80 mm of monthly rainfall
80 - 9 (Very High) UV index
9
Fort Smith weather in September
Expect daytime maximum temperatures of 29°C in Fort Smith, Arkansas in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 107 mm of rainfall in the month.
- 29°C max day temperature
29 - 8 hours of sunshine per day
- 8 days with some rainfall
8 - 16°C min night temperature
16 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 107 mm of monthly rainfall
107 - 8 (Very High) UV index
8
Fort Smith weather in October
Expect daytime maximum temperatures of 24°C in Fort Smith, Arkansas in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 93 mm of rainfall in the month.
- 24°C max day temperature
24 - 7 hours of sunshine per day
- 7 days with some rainfall
7 - 9°C min night temperature
9 - 11 hours of daylight per day
11 - No heat & humidity
0 - 93 mm of monthly rainfall
93 - 5 (Moderate) UV index
5
Fort Smith weather in November
Expect daytime maximum temperatures of 17°C in Fort Smith, Arkansas in November based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 100 mm of rainfall in the month.
- 17°C max day temperature
17 - 5 hours of sunshine per day
- 7 days with some rainfall
7 - 3°C min night temperature
3 - 10 hours of daylight per day
10 - No heat & humidity
0 - 100 mm of monthly rainfall
100 - 3 (Moderate) UV index
3
Fort Smith weather in December
Expect daytime maximum temperatures of 11°C in Fort Smith, Arkansas in December based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 82 mm of rainfall in the month.
- 11°C max day temperature
11 - 5 hours of sunshine per day
- 8 days with some rainfall
8 - -2°C min night temperature
-2 - 10 hours of daylight per day
10 - No heat & humidity
0 - 82 mm of monthly rainfall
82 - 2 (Low) UV index
2
More about Fort Smith
Fort Smith by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Arkansas
- Save EXTRA 5% on airport transfers worldwide
- Book private taxis & shuttle buses with discount code
- Enter in coupon box on 'Reservations' page
Expires at 23:59 on Thursday 31st Dec 2026
The climate guide for Arkansas (Fort Smith) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Tropical storm risk: Fort Smith, Arkansas hurricane season
Compare Fort Smith weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Fort Smith, Arkansas, USA and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holiday destinations
- Beach holidays
- City breaks
- Family holidays
- Half term holidays
- Spring holidays
- Summer holidays
- Autumn holidays
- Winter sun holidays
- Honeymoons
- Coolcations
- Compare places
- Ski resorts
Save with latest deals & discounts
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- TUI
- Jet2holidays
- Neilson
- Marella Cruises
- Holiday Extras
- Pierre & Vacances
- Caledonian Travel
- Club Med
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport












