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Mammoth Cave weather by month
Check out Mammoth Cave weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Mammoth Cave (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 5 |
8 |
14 |
20 |
25 |
29 |
31 |
30 |
27 |
21 |
14 |
8 |
| Min temperature (night-time) | -5 |
-4 |
2 |
7 |
12 |
16 |
19 |
18 |
14 |
7 |
2 |
-2 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
M |
H |
H |
L |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Mammoth Cave
| 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 |
14 |
12 |
11 |
10 |
10 |
| UV Index (Maximum) | 2 |
3 |
5 |
7 |
8 |
10 |
10 |
9 |
7 |
5 |
3 |
2 |
Rainfall in Mammoth Cave
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 11 |
11 |
13 |
11 |
12 |
10 |
11 |
9 |
8 |
8 |
10 |
12 |
| Average monthly rainfall (mm) | 99 |
107 |
124 |
107 |
127 |
107 |
122 |
96 |
95 |
75 |
107 |
120 |
More about Mammoth Cave
Mammoth Cave by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Kentucky
Expires at 23:59 on Thursday 31st Dec 2026
The climate guide for Kentucky (Mammoth Cave) 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 Mammoth Cave?
Mammoth Cave has a temperate climate with hot summers and some rainfall in all months.
Mammoth Cave weather in January
Expect daytime maximum temperatures of 5°C in Mammoth Cave, Kentucky in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 99 mm of rainfall in the month, which might fall as snow.
- 5°C max day temperature
5 - 4 hours of sunshine per day
- 11 days with some rainfall
11 - -5°C min night temperature
-5 - 10 hours of daylight per day
10 - No heat & humidity
0 - 99 mm of monthly rainfall
99 - 2 (Low) UV index
2
Mammoth Cave weather in February
Expect daytime maximum temperatures of 8°C in Mammoth Cave, Kentucky in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 107 mm of rainfall in the month.
- 8°C max day temperature
8 - 5 hours of sunshine per day
- 11 days with some rainfall
11 - -4°C min night temperature
-4 - 11 hours of daylight per day
11 - No heat & humidity
0 - 107 mm of monthly rainfall
107 - 3 (Moderate) UV index
3
Mammoth Cave weather in March
Expect daytime maximum temperatures of 14°C in Mammoth Cave, Kentucky in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 124 mm of rainfall in the month.
- 14°C max day temperature
14 - 6 hours of sunshine per day
- 13 days with some rainfall
13 - 2°C min night temperature
2 - 12 hours of daylight per day
12 - No heat & humidity
0 - 124 mm of monthly rainfall
124 - 5 (Moderate) UV index
5
Mammoth Cave weather in April
Expect daytime maximum temperatures of 20°C in Mammoth Cave, Kentucky in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 107 mm of rainfall in the month.
- 20°C max day temperature
20 - 8 hours of sunshine per day
- 11 days with some rainfall
11 - 7°C min night temperature
7 - 13 hours of daylight per day
13 - No heat & humidity
0 - 107 mm of monthly rainfall
107 - 7 (High) UV index
7
Mammoth Cave weather in May
Expect daytime maximum temperatures of 25°C in Mammoth Cave, Kentucky in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 12 days with some rainfall and typically 127 mm of rainfall in the month.
- 25°C max day temperature
25 - 9 hours of sunshine per day
- 12 days with some rainfall
12 - 12°C min night temperature
12 - 14 hours of daylight per day
14 - No heat & humidity
0 - 127 mm of monthly rainfall
127 - 8 (Very High) UV index
8
Mammoth Cave weather in June
Expect daytime maximum temperatures of 29°C in Mammoth Cave, Kentucky in June based on long-term weather averages. There are 10 hours of sunshine per day on average with 10 days with some rainfall and typically 107 mm of rainfall in the month.
- 29°C max day temperature
29 - 10 hours of sunshine per day
- 10 days with some rainfall
10 - 16°C min night temperature
16 - 15 hours of daylight per day
15 - Moderate heat & humidity
M - 107 mm of monthly rainfall
107 - 10 (Very High) UV index
10
Mammoth Cave weather in July
Expect daytime maximum temperatures of 31°C in Mammoth Cave, Kentucky in July and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 122 mm of rainfall in the month.
- 31°C max day temperature
31 - 9 hours of sunshine per day
- 11 days with some rainfall
11 - 19°C min night temperature
19 - 14 hours of daylight per day
14 - High heat & humidity
H - 122 mm of monthly rainfall
122 - 10 (Very High) UV index
10
Mammoth Cave weather in August
Expect daytime maximum temperatures of 30°C in Mammoth Cave, Kentucky in August and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 96 mm of rainfall in the month.
- 30°C max day temperature
30 - 9 hours of sunshine per day
- 9 days with some rainfall
9 - 18°C min night temperature
18 - 14 hours of daylight per day
14 - High heat & humidity
H - 96 mm of monthly rainfall
96 - 9 (Very High) UV index
9
Mammoth Cave weather in September
Expect daytime maximum temperatures of 27°C in Mammoth Cave, Kentucky in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 95 mm of rainfall in the month.
- 27°C max day temperature
27 - 8 hours of sunshine per day
- 8 days with some rainfall
8 - 14°C min night temperature
14 - 12 hours of daylight per day
12 - Low heat & humidity
L - 95 mm of monthly rainfall
95 - 7 (High) UV index
7
Mammoth Cave weather in October
Expect daytime maximum temperatures of 21°C in Mammoth Cave, Kentucky in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 75 mm of rainfall in the month.
- 21°C max day temperature
21 - 7 hours of sunshine per day
- 8 days with some rainfall
8 - 7°C min night temperature
7 - 11 hours of daylight per day
11 - No heat & humidity
0 - 75 mm of monthly rainfall
75 - 5 (Moderate) UV index
5
Mammoth Cave weather in November
Expect daytime maximum temperatures of 14°C in Mammoth Cave, Kentucky in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 107 mm of rainfall in the month.
- 14°C max day temperature
14 - 5 hours of sunshine per day
- 10 days with some rainfall
10 - 2°C min night temperature
2 - 10 hours of daylight per day
10 - No heat & humidity
0 - 107 mm of monthly rainfall
107 - 3 (Moderate) UV index
3
Mammoth Cave weather in December
Expect daytime maximum temperatures of 8°C in Mammoth Cave, Kentucky in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 120 mm of rainfall in the month.
- 8°C max day temperature
8 - 4 hours of sunshine per day
- 12 days with some rainfall
12 - -2°C min night temperature
-2 - 10 hours of daylight per day
10 - No heat & humidity
0 - 120 mm of monthly rainfall
120 - 2 (Low) UV index
2
More about Mammoth Cave
Mammoth Cave by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Kentucky
- 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 Kentucky (Mammoth Cave) 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.
Compare Mammoth Cave weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Mammoth Cave, Kentucky, USA and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
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