Climate and monthly weather forecastNenana, AK
Climate and monthly weather forecast
The climate of Nenana
Characterized by Subarctic climate conditions, Nenana is situated in Alaska, USA. Predominantly, the weather falls under the Köppen climate classification of Dfc, implying brutal winters, no dry seasons, and cool summers. Over the year, the temperatures commonly fluctuate between a chilly -10.8°F (-23.8°C) in the coldest months and a mild 73°F (22.8°C) at the peak of summer.Nenana's relative humidity typically varies from 54% to 95%. Highest levels often occur during winter, tapering off somewhat in the summer months when percentages drop down to the mid-50s region. This pattern of humidity contributes to the regular monthly rainfall that Nenana encounters. Rainfall ranges from 0.31" (8mm) in the drier times to a drizzle-heavy 2.56" (65mm) during the wettest periods.
Particularly noteworthy is the snowfall, which starts accumulating from 2.2" (56mm) and can layer up to 6.5" (165mm). Snowfall is frequent with days of snow ranging from zero in the summer to 14.4 in winter. Daylight hours are another stark transition, dimming from a mere 4.1 hours in winter to a bright 21.2 hours in summer. Conversely, sunshine hours are relatively lesser in comparison, stretching from 1.8 to 11.9 hours.
The best time to visit Nenana
For visitors with an affinity for moderate temperatures, the period between June and August manifests as the best time to explore Nenana. In these summer months, temperature variations reside between 49.6°F (9.8°C) and 73°F (22.8°C), facilitating outdoor activities. Additionally, ample daylight hours that peak at 21.2, accompany the relatively warm weather. These conditions combined with a UV index of 5 during June and July and reduced cloud coverage of 42% boost overall visibility, ideal for tourists seeking to admire the stunning Alaskan landscape.The worst time to visit Nenana
The harsh winter months of December, January, and February render Nenana quite challenging for tourism purposes. These months bring about lowest temperatures that dive down to -10.8°F (-23.8°C), challenging even the hardiest visitors. Accompanied by heavy snowfall up to 6.5" (165mm) in November, short daylight hours, and a very low UV index, these adverse climatic conditions often restrict outdoor activities.Spring weather in Nenana
Nenana faces a brisk transition into spring, with temperatures ranging from a low of -3.6°F (-19.8°C) in February to a preferable 22.3°F (-5.4°C) in April. Noteworthy is the increase in daylight hours during this period, expanding from a sparse 8.6 hours in February to a decent 15.3 hours in April. Rainfall moderately increases, beginning with 0.43" (11mm) and climbing to 0.71" (18mm) by April end. Snowfall, however, demonstrates a significant drop in April with just 2.52" (64mm), a decrease from 3.78" (96mm) seen in the prior month.Summer weather in Nenana
From chilling temperatures, Nenana transition to a cool summer with maximum heat reaching 73°F (22.8°C). There is an influx in rainfall as well, soaring from 0.55" (14mm) to 1.18" (30mm) from May to July respectively. Meanwhile, summer brings in a hiatus of snowfall coupled with an increase in daylight hours, reaching its annual peak of 21.2 hours in June. The relative humidity during summer falls to the year's lowest in June, down to 54%.Autumn weather in Nenana
The shift towards autumn sees the temperatures cool off from a maximum of 53.8°F (12.1°C) in September to 12°F (-11.1°C) by November. Interestingly, rainfall peaks in August with 2.56" (65mm) before receding to 0.91" (23mm) in November. The days become visibly shorter with daylight diminishing from 16.4 hours to 6.3 hours between August and November. Conversely, snowfall gradually increases, reaching 6.5" (165mm) in November, signaling the onset of winter.Winter weather in Nenana
Commencing in December, winters in Nenana are severe, with temperatures primarily ranging from -6°F (-21.1°C) to 1.4°F (-17°C). The snowfall, reaching a high 6.5" (165mm) in November, continues into December with 2.95" (75mm), marking one of the year's peaks. Sparing sunshine of merely 1.8 hours, coupled with the shortest daylight hours of just 4.1 in December, intensifies the season's rigorousness. Furthermore, high relative humidity values only embellish the severity of the Nenana winter.Weather in January
January weather in Nenana, Alaska, brings in the most frigid time of the year. The cold of the previous month deepens, with temperatures reaching -10.8°F (-23.8°C) at night and rarely rising above 1.4°F (-17°C) during the day. Weather in January »Weather in February
Moving into February, the grip of winter eases slightly in Nenana, Alaska, but the chilly weather persists. The temperatures are slightly higher compared to January, however, it is still frigid. February shares similar snow patterns as January, with the landscape remaining under a cover of snow. Weather in February »Weather in March
In March, the winter begins to yield in Nenana, Alaska, as noticeable changes start appearing in the weather patterns. With temperatures hovering around the freezing point, the snow begins to melt, giving way to budding flowers and greenery. Weather in March »Weather in April
April ushers in a warmer season in Nenana, Alaska, with a marked departure from the chilly days of March. The longest daylight hours of the year, 15.3 hours, are now in play, illuminating the landscapes in a brilliant light. Temperatures can shoot up to 38.5°F (3.6°C) during day, providing much-needed respite from the cold of winter months. Weather in April »Weather in May
With May’s arrival, Nenana, Alaska, finally steps into the realm of a pleasant spring. The sun is up for a larger part of the day, resulting in a soft, warm glow enveloping the city. The earthy smell of rain becomes more common, but without the hindrance of winter’s snow. Weather in May »Weather in June
Compared to May, June in Nenana, Alaska, exhibits a consistency in weather. Fair and temperate climate dominates most of the days, providing residents with maximum daylight hours - 21.2 in total. Slightly warmer than the previous month, June sees a high of 70.9°F (21.6°C) treating residents to some of nature’s finest displays. Weather in June »Weather in July
In July, Nenana, Alaska, is in its warmest month with temperatures reaching a peak of 73°F (22.8°C). The residue of June’s warmth lingers during the day, interspersed with sporadic showers due to increased humidity. The rainfall can bring a welcome relief on particularly stifling afternoons, however, it is also the height of summer in Alaska. Weather in July »Weather in August
August in Nenana, Alaska, experiences a shift in weather, giving early signs of the approaching autumn. The clear blue skies of July are gradually replaced by cloudy skies and a decrease in daylight hours. Despite the highest rainfall of the year - 2.56" (65mm) - August retains much of the summer’s warmth. Weather in August »Weather in September
September marks the beginning of autumn in Nenana, Alaska. The summer’s heat reduces substantially, resulting in comfortable temperatures and the splendid colors of fall dominate the landscape. Compared to August, the rainfall is lower but the month does herald cooler days. Weather in September »Weather in October
October in Nenana, Alaska, witnesses falling temperatures, a clear sign that winter is on its way. The pleasant days of September are replaced by a cold nip in the air. The decreasing temperatures coupled with shortening daylight hours make the evenings and nights considerably chilly. Weather in October »Weather in November
November in Nenana, Alaska, embraces the onset of winter, laying the foundation of the holiday season. Temperatures are significantly colder than in October, falling to an average low of 2.5°F (-16.4°C). The arrival of winter reaffirms its presence with increased snowfall and very few hours of daylight. Weather in November »Weather in December
In December, the Nenana, Alaska, winter is in full force. The city experiences the coldest temperatures of the year, plunging as low as -6°F (-21.1°C) at night. The few hours of daylight result in a frosty, twilight ambience throughout the city. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Nenana, AK
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (1.4°F).
The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is January (-10.8°F).
Average pressure
Nenana, AK
- Average pressure in January:
29.92"Hg - Average pressure in February:
29.96"Hg - Average pressure in March:
29.91"Hg - Average pressure in April:
29.86"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.84"Hg - Average pressure in September:
29.77"Hg - Average pressure in October:
29.78"Hg - Average pressure in November:
29.84"Hg - Average pressure in December:
29.84"Hg
The month with the highest atmospheric pressure is February (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed
Nenana, AK
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.9mph - Average wind speed in March:
5mph - Average wind speed in April:
5mph - Average wind speed in May:
5.1mph - Average wind speed in June:
5mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.8mph
The windiest month (with the highest average wind speed) is July (5.2mph).
The calmest months (with the lowest average wind speed) are January, August, September and October (4.7mph).
Average humidity
Nenana, AK
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (54%).
Average rainfall
Nenana, AK
- Average rainfall in January:
0.31" - Average rainfall in February:
0.43" - Average rainfall in March:
0.55" - Average rainfall in April:
0.71" - Average rainfall in May:
0.55" - Average rainfall in June:
1.18"
- Average rainfall in July:
1.18" - Average rainfall in August:
2.56" - Average rainfall in September:
1.14" - Average rainfall in October:
0.83" - Average rainfall in November:
0.91" - Average rainfall in December:
0.39"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days
Nenana, AK
- Average rainfall days in January:
1.8 days - Average rainfall days in February:
0.8 days - Average rainfall days in March:
3.6 days - Average rainfall days in April:
7.4 days - Average rainfall days in May:
9 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
6.6 days - Average rainfall days in November:
1.8 days - Average rainfall days in December:
2.2 days
The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is February (0.8 days).
Average snowfall
Nenana, AK
- Average snowfall in January:
2.2" - Average snowfall in February:
3.19" - Average snowfall in March:
3.78" - Average snowfall in April:
2.52" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is November (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Nenana, AK
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
10.4 days - Average snowfall days in March:
14.4 days - Average snowfall days in April:
9.8 days - Average snowfall days in May:
1.5 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1.4 days - Average snowfall days in October:
6.4 days - Average snowfall days in November:
13.7 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is March (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Nenana, AK
- Average daylight in January:
5h and 30min - Average daylight in February:
8h and 36min - Average daylight in March:
11h and 54min - Average daylight in April:
15h and 18min - Average daylight in May:
18h and 42min - Average daylight in June:
21h and 12min
- Average daylight in July:
19h and 48min - Average daylight in August:
16h and 24min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 36min - Average daylight in November:
6h and 18min - Average daylight in December:
4h and 6min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 6min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 30min - Average sunshine in March:
4h and 6min - Average sunshine in April:
6h and 0min - Average sunshine in May:
11h and 6min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
9h and 12min - Average sunshine in September:
6h and 54min - Average sunshine in October:
5h and 12min - Average sunshine in November:
3h and 0min - Average sunshine in December:
1h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days
Nenana, AK
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
18.7 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
17 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.5 days).
Average UV index
Nenana, AK
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover
Nenana, AK
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are May and June (Cloud cover 42).
Average visibility
Nenana, AK
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are February and March (2mi).





