- Save EXTRA 5% on airport transfers worldwide
- Book private taxis & shuttle buses with discount code
- Enter in coupon box on 'Reservations' page
Frederick weather by month
Check out Frederick weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Frederick (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 4 |
6 |
12 |
18 |
23 |
28 |
31 |
30 |
26 |
19 |
13 |
7 |
| Min temperature (night-time) | -6 |
-5 |
0 |
5 |
10 |
15 |
18 |
17 |
13 |
6 |
2 |
-3 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
M |
H |
M |
L |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Frederick
| 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 |
15 |
14 |
12 |
11 |
10 |
9 |
| UV Index (Maximum) | 2 |
3 |
5 |
6 |
8 |
9 |
9 |
8 |
7 |
4 |
2 |
2 |
Rainfall in Frederick
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 11 |
10 |
11 |
11 |
12 |
10 |
10 |
10 |
8 |
8 |
10 |
11 |
| Average monthly rainfall (mm) | 72 |
69 |
86 |
83 |
103 |
98 |
87 |
93 |
90 |
83 |
87 |
81 |
More about Frederick
Frederick by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Maryland
Expires at 23:59 on Thursday 31st Dec 2026
The climate guide for Maryland (Frederick) 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 Frederick?
Frederick has a cold climate with hot summers and some rainfall in all months.
Frederick weather in January
Expect daytime maximum temperatures of 4°C in Frederick, Maryland in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 72 mm of rainfall in the month, which might fall as snow.
- 4°C max day temperature
4 - 5 hours of sunshine per day
- 11 days with some rainfall
11 - -6°C min night temperature
-6 - 10 hours of daylight per day
10 - No heat & humidity
0 - 72 mm of monthly rainfall
72 - 2 (Low) UV index
2
Frederick weather in February
Expect daytime maximum temperatures of 6°C in Frederick, Maryland in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 69 mm of rainfall in the month, which might fall as snow.
- 6°C max day temperature
6 - 5 hours of sunshine per day
- 10 days with some rainfall
10 - -5°C min night temperature
-5 - 11 hours of daylight per day
11 - No heat & humidity
0 - 69 mm of monthly rainfall
69 - 3 (Moderate) UV index
3
Frederick weather in March
Expect daytime maximum temperatures of 12°C in Frederick, Maryland in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 86 mm of rainfall in the month.
- 12°C max day temperature
12 - 7 hours of sunshine per day
- 11 days with some rainfall
11 - 0°C min night temperature
0 - 12 hours of daylight per day
12 - No heat & humidity
0 - 86 mm of monthly rainfall
86 - 5 (Moderate) UV index
5
Frederick weather in April
Expect daytime maximum temperatures of 18°C in Frederick, Maryland 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 83 mm of rainfall in the month.
- 18°C max day temperature
18 - 8 hours of sunshine per day
- 11 days with some rainfall
11 - 5°C min night temperature
5 - 13 hours of daylight per day
13 - No heat & humidity
0 - 83 mm of monthly rainfall
83 - 6 (High) UV index
6
Frederick weather in May
Expect daytime maximum temperatures of 23°C in Frederick, Maryland in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 103 mm of rainfall in the month.
- 23°C max day temperature
23 - 8 hours of sunshine per day
- 12 days with some rainfall
12 - 10°C min night temperature
10 - 14 hours of daylight per day
14 - No heat & humidity
0 - 103 mm of monthly rainfall
103 - 8 (Very High) UV index
8
Frederick weather in June
Expect daytime maximum temperatures of 28°C in Frederick, Maryland in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 98 mm of rainfall in the month.
- 28°C max day temperature
28 - 9 hours of sunshine per day
- 10 days with some rainfall
10 - 15°C min night temperature
15 - 15 hours of daylight per day
15 - Moderate heat & humidity
M - 98 mm of monthly rainfall
98 - 9 (Very High) UV index
9
Frederick weather in July
Expect daytime maximum temperatures of 31°C in Frederick, Maryland in July and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 87 mm of rainfall in the month.
- 31°C max day temperature
31 - 9 hours of sunshine per day
- 10 days with some rainfall
10 - 18°C min night temperature
18 - 15 hours of daylight per day
15 - High heat & humidity
H - 87 mm of monthly rainfall
87 - 9 (Very High) UV index
9
Frederick weather in August
Expect daytime maximum temperatures of 30°C in Frederick, Maryland in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 93 mm of rainfall in the month.
- 30°C max day temperature
30 - 8 hours of sunshine per day
- 10 days with some rainfall
10 - 17°C min night temperature
17 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 93 mm of monthly rainfall
93 - 8 (Very High) UV index
8
Frederick weather in September
Expect daytime maximum temperatures of 26°C in Frederick, Maryland in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 90 mm of rainfall in the month.
- 26°C max day temperature
26 - 7 hours of sunshine per day
- 8 days with some rainfall
8 - 13°C min night temperature
13 - 12 hours of daylight per day
12 - Low heat & humidity
L - 90 mm of monthly rainfall
90 - 7 (High) UV index
7
Frederick weather in October
Expect daytime maximum temperatures of 19°C in Frederick, Maryland in October based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 83 mm of rainfall in the month.
- 19°C max day temperature
19 - 6 hours of sunshine per day
- 8 days with some rainfall
8 - 6°C min night temperature
6 - 11 hours of daylight per day
11 - No heat & humidity
0 - 83 mm of monthly rainfall
83 - 4 (Moderate) UV index
4
Frederick weather in November
Expect daytime maximum temperatures of 13°C in Frederick, Maryland 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 87 mm of rainfall in the month.
- 13°C max day temperature
13 - 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 - 87 mm of monthly rainfall
87 - 2 (Low) UV index
2
Frederick weather in December
Expect daytime maximum temperatures of 7°C in Frederick, Maryland in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 81 mm of rainfall in the month.
- 7°C max day temperature
7 - 4 hours of sunshine per day
- 11 days with some rainfall
11 - -3°C min night temperature
-3 - 9 hours of daylight per day
9 - No heat & humidity
0 - 81 mm of monthly rainfall
81 - 2 (Low) UV index
2
More about Frederick
Frederick by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Maryland
- 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 Maryland (Frederick) 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 Frederick weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Frederick, Maryland, 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











