Weather History for Arcata, CA

Change the Weather History Date:

Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 51 °F 44 °F
Mean Temperature 55 °F 45 °F 38 °F
Min Temperature 53 °F 39 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 27 20 10 626
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 1 0 17
Dew Point  
Dew Point 59 °F 41 °F 28 °F
Precipitation  
Precipitation 1.59 in 0.35 in 0.00 in 11.00 in
Snowdepth - - - -
Wind  
Wind 30 mph 6 mph 0 mph
Gust Wind 46 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.04 in 29.45 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:31 AM PST 4:48 PM PST
Civil Twilight 7:00 AM PST 5:19 PM PST
Nautical Twilight 6:26 AM PST 5:53 PM PST
Astronomical Twilight 5:52 AM PST 6:27 PM PST
Moon 5:32 AM PST (12/11) 3:32 PM PST (12/11)
Length of Visible Light 10h 18m
Length of Day
9h 16m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 11.00 Average Month Total: 7.07
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
57 | 51 1.51
Average:
54 | 40 0.23
Rain
Actual:
59 | 48 1.37
Average:
54 | 40 0.23
Rain
Actual:
57 | 46 0.04
Average:
54 | 40 0.23
Rain
Actual:
57 | 53 0.72
Average:
54 | 40 0.24
Rain
Actual:
55 | 46 0.23
Average:
54 | 40 0.24
Partly Cloudy
Actual:
53 | 36 0.00
Average:
54 | 40 0.24
Scattered Clouds
Actual:
53 | 35 0.01
Average:
54 | 40 0.24
Clear
Actual:
53 | 34 0.01
Average:
54 | 40 0.24
Clear
Actual:
55 | 34 0.01
Average:
54 | 40 0.23
Fog
Actual:
55 | 37 0.01
Average:
54 | 40 0.23
Rain
Actual:
48 | 42 0.39
Average:
54 | 39 0.23
Rain
Actual:
48 | 32 0.05
Average:
54 | 39 0.23
Clear
Actual:
48 | 30 0.01
Average:
54 | 39 0.22
Rain
Actual:
50 | 36 0.01
Average:
54 | 38 0.22
Rain
Actual:
48 | 36 0.16
Average:
53 | 38 0.22
Rain
Actual:
53 | 46 0.64
Average:
53 | 38 0.22
Rain
Actual:
52 | 36 0.16
Average:
53 | 37 0.22
Thunderstorm
Actual:
44 | 33 0.26
Average:
53 | 37 0.22
Mostly Cloudy
Actual:
50 | 35 0.00
Average:
53 | 37 0.22
Rain
Actual:
51 | 44 1.59
Average:
53 | 37 0.22
Rain
Actual:
48 | 44 0.95
Average:
53 | 37 0.22
Rain
Actual:
48 | 39 1.06
Average:
53 | 37 0.22
Rain
Actual:
53 | 39 0.19
Average:
53 | 37 0.22
Rain
Actual:
48 | 34 0.04
Average:
53 | 38 0.23
Rain
Actual:
51 | 43 0.79
Average:
53 | 38 0.23
Rain
Actual:
46 | 41 0.57
Average:
53 | 38 0.23
Rain
Actual:
48 | 36 0.07
Average:
53 | 38 0.23
Rain
Actual:
48 | 37 0.15
Average:
53 | 38 0.23
Partly Cloudy
Actual:
50 | 33 0.00
Average:
53 | 38 0.23
Scattered Clouds
Actual:
48 | 30 0.00
Average:
53 | 38 0.23
Partly Cloudy
Actual:
48 | 28 0.00
Average:
53 | 38 0.23
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 57 54 51 56 53 52 100 96 84 29.89 29.80 29.47 10 6 1 21 11 37 1.51 Rain
2 59 54 48 59 49 42 100 88 60 30.13 29.72 29.45 10 6 1 26 13 41 1.37 Rain
3 57 52 46 47 43 40 90 75 58 30.17 30.11 29.99 10 10 10 14 6 22 0.04 Rain
4 57 55 53 56 52 42 100 86 64 30.07 30.02 30.00 10 8 2 22 13 36 0.72 Rain
5 55 52 46 56 50 42 100 90 69 30.26 30.15 30.05 10 7 0 12 4 - 0.23 Fog , Rain
6 53 45 36 44 40 36 100 81 57 30.29 30.27 30.23 10 9 4 14 4 - 0.00  
7 53 44 35 43 39 34 100 87 64 30.30 30.25 30.22 10 9 6 16 4 - 0.01  
8 53 44 34 41 37 33 100 83 55 30.30 30.24 30.19 10 9 5 14 3 - 0.01  
9 55 44 34 45 39 33 100 88 57 30.38 30.34 30.29 10 10 7 18 4 - 0.01  
10 55 46 37 48 43 36 100 95 74 30.33 30.25 30.17 10 7 0 8 1 - 0.01 Fog
11 48 45 42 47 45 39 100 96 76 30.16 29.96 29.79 10 5 0 17 5 22 0.39 Fog , Rain
12 48 40 32 43 39 31 100 91 71 29.99 29.91 29.83 10 8 2 13 3 - 0.05 Rain
13 48 39 30 38 34 30 100 89 59 30.01 29.95 29.87 10 8 1 6 2 - 0.01  
14 50 43 36 40 38 35 97 86 68 30.04 29.96 29.85 10 10 7 12 2 - 0.01 Rain
15 48 42 36 42 38 33 93 80 71 30.02 29.95 29.87 10 10 6 20 8 30 0.16 Rain
16 53 50 46 54 48 41 100 92 74 30.00 29.87 29.75 10 6 1 28 10 34 0.64 Rain
17 52 44 36 49 41 35 97 83 59 30.14 30.04 29.86 10 9 2 20 10 25 0.16 Rain
18 44 38 33 37 35 32 100 92 76 30.24 30.17 30.10 10 8 2 10 4 21 0.26 Rain , Thunderstorm
19 50 42 35 36 33 29 85 63 54 30.24 30.10 29.91 10 10 10 23 13 44 0.00  
20 51 48 44 45 42 37 100 87 59 29.91 29.86 29.77 10 6 1 30 16 46 1.59 Rain
21 48 46 44 45 43 41 97 89 80 29.83 29.77 29.68 10 8 3 18 10 30 0.95 Rain
22 48 44 39 43 40 36 100 91 77 29.93 29.78 29.65 10 7 2 18 11 37 1.06 Rain
23 53 48 39 48 44 39 100 88 71 30.07 29.82 29.54 10 8 2 24 12 39 0.19 Rain
24 48 41 34 41 39 33 100 88 71 30.25 30.17 30.08 10 10 4 7 3 - 0.04 Rain
25 51 47 43 46 43 35 100 88 63 30.04 29.80 29.72 10 7 2 22 8 37 0.79 Rain
26 46 44 41 45 43 40 100 94 87 30.17 29.98 29.74 10 8 2 12 5 20 0.57 Rain
27 48 42 36 42 40 36 100 93 74 30.24 30.19 30.15 10 9 3 12 1 - 0.07 Rain
28 48 42 37 41 38 36 97 86 66 30.16 30.08 30.03 10 10 6 10 4 - 0.15 Rain
29 50 42 33 43 38 33 100 88 74 30.17 30.13 30.09 10 8 2 13 2 - 0.00  
30 48 39 30 40 35 30 100 89 63 30.26 30.18 30.12 10 9 5 10 3 - 0.00  
31 48 38 28 40 35 28 100 88 63 30.31 30.27 30.25 10 7 2 6 3 - 0.00