74 ° 38 ° 3. Carlsbad, NM Monthly Weather. 23 ° 19 ° 2. 25 ° 19 ° 5. Average monthly temperatures in Carlsbad (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 18.3: 18.8: 18.8: 20.4: 21.7: 23.6: 26.4 2:05 am MST sun mon tue wed thu fri sat. Average monthly temperatures in Carlsbad (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 13.7: 16.5: 20.9: 25.9: 30.1: 33.8: 34.5 Averages are for Oceanside Weather Reporting Station, which is 4 miles from Carlsbad. Based on weather reports collected during 1985–2015. Carlsbad, CA Weather History star_ratehome. 22 ° 17 ° 3. Annual Weather Averages Near Carlsbad. Summary. ... Daily Weekly Monthly. 1. 84 ° 42 ° 5. 83 ° 52 ° 9. No Data Recorded . Get the monthly weather forecast for Carlsbad, CA, including daily high/low, historical averages, to help you plan ahead. 85 ° 50 ° 6. 53 F McClellan-Palomar Airport Station | Report. Today’s and tonight’s Carlsbad, CA weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com 30. Daily Observations. 23 ° 19 ° 4. 80 ° 46 ° 8. 22 ° 18 ° 31. See the current Carlsbad, CA weather and a 5 day forecast. 22 ° 18 ° 1. Station Data. Get the monthly weather forecast for Carlsbad, NM, including daily high/low, historical averages, to help you plan ahead. Monthly: 1981-2010 normals History: 2015-2019 80 ° 44 ° 7. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. Monthly averages Carlsbad Longitude: -117.351, Latitude: 33.1581 Average weather Carlsbad, CA - 92008. 13:15 PDT Sun mon tue wed thu fri sat. No data recorded . Carlsbad, CA, United States Monthly Weather. 30 ° 19 ° 6. 81 ° 41 ° 4. 71 ° 47 ° 2.