Merriam-Webster's Advanced Learner's Dictionary:
February
Feb·ru·ary /ˈfɛbjəˌweri, ˈfɛbrəˌweri/ noun, pl -ar·ies or -ar·ys : the second month of the year
[noncount]
• in (early/middle/mid-/late) February
• early/late in February
• We arrived on February the fourth. = (US) We arrived on February fourth. = We arrived on the fourth of February.
[count]
• Sales are up (for) this February in comparison with the previous two Februaries.
- abbr. Feb.;